55550005500507 has 48 divisors (see below), whose sum is σ = 87375542008320. Its totient is φ = 31295090752128.

The previous prime is 55550005500467. The next prime is 55550005500533. The reversal of 55550005500507 is 70500550005555.

It is a de Polignac number, because none of the positive numbers 2^k-55550005500507 is a prime.

It is a super-4 number, since 4×55550005500507⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (55550405500507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24932994 + ... + 27069432.

It is an arithmetic number, because the mean of its divisors is an integer number (1820323791840).

Almost surely, 2^{55550005500507} is an apocalyptic number.

55550005500507 is a deficient number, since it is larger than the sum of its proper divisors (31825536507813).

55550005500507 is a wasteful number, since it uses less digits than its factorization.

55550005500507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138952 (or 2138945 counting only the distinct ones).

The product of its (nonzero) digits is 546875, while the sum is 42.

The spelling of 55550005500507 in words is "fifty-five trillion, five hundred fifty billion, five million, five hundred thousand, five hundred seven".