55160507 has 4 divisors (see below), whose sum is σ = 55232640. Its totient is φ = 55088376.

The previous prime is 55160503. The next prime is 55160519. The reversal of 55160507 is 70506155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55160507 - 2² = 55160503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55160507.

It is not an unprimeable number, because it can be changed into a prime (55160503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34907 + ... + 36452.

It is an arithmetic number, because the mean of its divisors is an integer number (13808160).

Almost surely, 2^55160507 is an apocalyptic number.

55160507 is a deficient number, since it is larger than the sum of its proper divisors (72133).

55160507 is an equidigital number, since it uses as much as digits as its factorization.

55160507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72132.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 55160507 is about 7427.0119832945. The cubic root of 55160507 is about 380.6648264836.

The spelling of 55160507 in words is "fifty-five million, one hundred sixty thousand, five hundred seven".