61097592 has 32 divisors (see below), whose sum is σ = 161730000. Its totient is φ = 19167744.

The previous prime is 61097587. The next prime is 61097611. The reversal of 61097592 is 29579016.

It is a self number, because there is not a number n which added to its sum of digits gives 61097592.

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, 74467 + ... + 75282.

Almost surely, 2^61097592 is an apocalyptic number.

It is an amenable number.

61097592 is an abundant number, since it is smaller than the sum of its proper divisors (100632408).

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

61097592 is a wasteful number, since it uses less digits than its factorization.

61097592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149775 (or 149771 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 61097592 is about 7816.4948666266. The cubic root of 61097592 is about 393.8595357642.

The spelling of 61097592 in words is "sixty-one million, ninety-seven thousand, five hundred ninety-two".