61007056 has 40 divisors (see below), whose sum is σ = 129554208. Its totient is φ = 27600000.

The previous prime is 61007053. The next prime is 61007069. The reversal of 61007056 is 65070016.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61007056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61007053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43486 + ... + 44866.

Almost surely, 2^61007056 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 61007056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64777104).

61007056 is an abundant number, since it is smaller than the sum of its proper divisors (68547152).

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

61007056 is a wasteful number, since it uses less digits than its factorization.

61007056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 61007056 is about 7810.7013769571. The cubic root of 61007056 is about 393.6648958256.

The spelling of 61007056 in words is "sixty-one million, seven thousand, fifty-six".