75500355056 has 40 divisors (see below), whose sum is σ = 169193587584. Its totient is φ = 31967444160.

The previous prime is 75500355037. The next prime is 75500355061. The reversal of 75500355056 is 65055300557.

It is a happy number.

It is a super-2 number, since 2×75500355056² (a number of 23 digits) contains 22 as substring.

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, 4051610 + ... + 4070201.

Almost surely, 2^75500355056 is an apocalyptic number.

It is an amenable number.

75500355056 is an abundant number, since it is smaller than the sum of its proper divisors (93693232528).

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

75500355056 is a wasteful number, since it uses less digits than its factorization.

75500355056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8121909 (or 8121903 counting only the distinct ones).

The product of its (nonzero) digits is 393750, while the sum is 41.

The spelling of 75500355056 in words is "seventy-five billion, five hundred million, three hundred fifty-five thousand, fifty-six".