55613615074 has 8 divisors (see below), whose sum is σ = 88327506348. Its totient is φ = 26171112960.

The previous prime is 55613615051. The next prime is 55613615077. The reversal of 55613615074 is 47051631655.

It can be written as a sum of positive squares in 2 ways, for example, as 53562159225 + 2051455849 = 231435^2 + 45293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55613615074.

It is not an unprimeable number, because it can be changed into a prime (55613615077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817847247 + ... + 817847314.

Almost surely, 2^55613615074 is an apocalyptic number.

55613615074 is a deficient number, since it is larger than the sum of its proper divisors (32713891274).

55613615074 is a wasteful number, since it uses less digits than its factorization.

55613615074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635694580.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 55613615074 in words is "fifty-five billion, six hundred thirteen million, six hundred fifteen thousand, seventy-four".