55311151 has 24 divisors (see below), whose sum is σ = 66807200. Its totient is φ = 45765216.

The previous prime is 55311121. The next prime is 55311163. The reversal of 55311151 is 15111355.

It is not a de Polignac number, because 55311151 - 2²¹ = 53213999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55311101) 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, 757651 + ... + 757723.

Almost surely, 2^55311151 is an apocalyptic number.

55311151 is a deficient number, since it is larger than the sum of its proper divisors (11496049).

55311151 is an frugal number, since it uses more digits than its factorization.

55311151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 127 counting only the distinct ones).

The product of its digits is 375, while the sum is 22.

The square root of 55311151 is about 7437.1466974909. The cubic root of 55311151 is about 381.0110448871.

The spelling of 55311151 in words is "fifty-five million, three hundred eleven thousand, one hundred fifty-one".