61089496 has 32 divisors (see below), whose sum is σ = 125692560. Its totient is φ = 27660672.

The previous prime is 61089481. The next prime is 61089521. The reversal of 61089496 is 69498016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30 + ... + 11053.

Almost surely, 2^61089496 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 61089496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62846280).

61089496 is an abundant number, since it is smaller than the sum of its proper divisors (64603064).

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

61089496 is a wasteful number, since it uses less digits than its factorization.

61089496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155 (or 11151 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 61089496 is about 7815.9769702834. The cubic root of 61089496 is about 393.8421383101.

The spelling of 61089496 in words is "sixty-one million, eighty-nine thousand, four hundred ninety-six".