61994052 has 48 divisors (see below), whose sum is σ = 162314880. Its totient is φ = 20460384.

The previous prime is 61994033. The next prime is 61994057. The reversal of 61994052 is 25049916.

61994052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61993998 and 61994016.

It is not an unprimeable number, because it can be changed into a prime (61994057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8338 + ... + 13910.

It is an arithmetic number, because the mean of its divisors is an integer number (3381560).

Almost surely, 2^61994052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61994052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81157440).

61994052 is an abundant number, since it is smaller than the sum of its proper divisors (100320828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61994052 is a wasteful number, since it uses less digits than its factorization.

61994052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 61994052 is about 7873.6301665750. The cubic root of 61994052 is about 395.7765038217.

The spelling of 61994052 in words is "sixty-one million, nine hundred ninety-four thousand, fifty-two".