55500507 has 6 divisors (see below), whose sum is σ = 80167412. Its totient is φ = 37000332.

The previous prime is 55500499. The next prime is 55500527. The reversal of 55500507 is 70500555.

It is not a de Polignac number, because 55500507 - 2³ = 55500499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55500527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3083353 + ... + 3083370.

Almost surely, 2^55500507 is an apocalyptic number.

55500507 is a deficient number, since it is larger than the sum of its proper divisors (24666905).

55500507 is a wasteful number, since it uses less digits than its factorization.

55500507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166729 (or 6166726 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 55500507 is about 7449.8662404100. The cubic root of 55500507 is about 381.4453428038.

The spelling of 55500507 in words is "fifty-five million, five hundred thousand, five hundred seven".