55550555004 has 36 divisors (see below), whose sum is σ = 150780079464. Its totient is φ = 15871586976.

The previous prime is 55550555003. The next prime is 55550555077. The reversal of 55550555004 is 40055505555.

It is a super-2 number, since 2×55550555004² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550555003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47236279 + ... + 47237454.

Almost surely, 2^55550555004 is an apocalyptic number.

It is an amenable number.

55550555004 is an abundant number, since it is smaller than the sum of its proper divisors (95229524460).

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

55550555004 is a wasteful number, since it uses less digits than its factorization.

55550555004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94473754 (or 94473745 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 55550555004 in words is "fifty-five billion, five hundred fifty million, five hundred fifty-five thousand, four".