36557556004 has 6 divisors (see below), whose sum is σ = 63975723014. Its totient is φ = 18278778000.

The previous prime is 36557556001. The next prime is 36557556023. The reversal of 36557556004 is 40065575563.

It can be written as a sum of positive squares in only one way, i.e., 32041716004 + 4515840000 = 179002^2 + 67200^2 .

It is a super-4 number, since 4×36557556004⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (36557556001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569694497 + ... + 4569694504.

Almost surely, 2^36557556004 is an apocalyptic number.

It is an amenable number.

36557556004 is a deficient number, since it is larger than the sum of its proper divisors (27418167010).

36557556004 is a wasteful number, since it uses less digits than its factorization.

36557556004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139389005 (or 9139389003 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 36557556004 in words is "thirty-six billion, five hundred fifty-seven million, five hundred fifty-six thousand, four".