55651275 has 18 divisors (see below), whose sum is σ = 99678020. Its totient is φ = 29680560.

The previous prime is 55651259. The next prime is 55651301. The reversal of 55651275 is 57215655.

It is a happy number.

It is not a de Polignac number, because 55651275 - 2⁴ = 55651259 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123445 + ... + 123894.

Almost surely, 2^55651275 is an apocalyptic number.

55651275 is a deficient number, since it is larger than the sum of its proper divisors (44026745).

55651275 is a wasteful number, since it uses less digits than its factorization.

55651275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247355 (or 247347 counting only the distinct ones).

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

The square root of 55651275 is about 7459.9782171264. The cubic root of 55651275 is about 381.7904312701.

The spelling of 55651275 in words is "fifty-five million, six hundred fifty-one thousand, two hundred seventy-five".