55500549507 has 24 divisors (see below), whose sum is σ = 90878096400. Its totient is φ = 32356594368.

The previous prime is 55500549493. The next prime is 55500549521. The reversal of 55500549507 is 70594500555.

55500549507 is a `hidden beast` number, since 5 + 5 + 50 + 0 + 549 + 50 + 7 = 666.

55500549507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55500549493) and next prime (55500549521).

It is not a de Polignac number, because 55500549507 - 2⁶ = 55500549443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55500549407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12481032 + ... + 12485477.

It is an arithmetic number, because the mean of its divisors is an integer number (3786587350).

Almost surely, 2^55500549507 is an apocalyptic number.

55500549507 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55500549507 is a deficient number, since it is larger than the sum of its proper divisors (35377546893).

55500549507 is a wasteful number, since it uses less digits than its factorization.

55500549507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24966547 (or 24966544 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 45.

The spelling of 55500549507 in words is "fifty-five billion, five hundred million, five hundred forty-nine thousand, five hundred seven".