73557594056 has 8 divisors (see below), whose sum is σ = 137920488870. Its totient is φ = 36778797024.

The previous prime is 73557594013. The next prime is 73557594067. The reversal of 73557594056 is 65049575537.

It can be written as a sum of positive squares in only one way, i.e., 71752193956 + 1805400100 = 267866^2 + 42490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×73557594056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73557593992 and 73557594010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4597349621 + ... + 4597349636.

Almost surely, 2^73557594056 is an apocalyptic number.

It is an amenable number.

73557594056 is a deficient number, since it is larger than the sum of its proper divisors (64362894814).

73557594056 is a wasteful number, since it uses less digits than its factorization.

73557594056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194699263 (or 9194699259 counting only the distinct ones).

The product of its (nonzero) digits is 19845000, while the sum is 56.

The spelling of 73557594056 in words is "seventy-three billion, five hundred fifty-seven million, five hundred ninety-four thousand, fifty-six".