55156275 has 48 divisors (see below), whose sum is σ = 103847520. Its totient is φ = 28684800.

The previous prime is 55156273. The next prime is 55156319. The reversal of 55156275 is 57265155.

It is a happy number.

It is not a de Polignac number, because 55156275 - 2¹ = 55156273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55156273) 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, 26679 + ... + 28671.

It is an arithmetic number, because the mean of its divisors is an integer number (2163490).

Almost surely, 2^55156275 is an apocalyptic number.

55156275 is a deficient number, since it is larger than the sum of its proper divisors (48691245).

55156275 is a wasteful number, since it uses less digits than its factorization.

55156275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2042 counting only the distinct ones).

The product of its digits is 52500, while the sum is 36.

The square root of 55156275 is about 7426.7270718669. The cubic root of 55156275 is about 380.6550911685.

The spelling of 55156275 in words is "fifty-five million, one hundred fifty-six thousand, two hundred seventy-five".