55272455 has 16 divisors (see below), whose sum is σ = 76515840. Its totient is φ = 37544352.

The previous prime is 55272421. The next prime is 55272467. The reversal of 55272455 is 55427255.

It is a cyclic number.

It is not a de Polignac number, because 55272455 - 2⁸ = 55272199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3635 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (4782240).

Almost surely, 2^55272455 is an apocalyptic number.

55272455 is a deficient number, since it is larger than the sum of its proper divisors (21243385).

55272455 is a wasteful number, since it uses less digits than its factorization.

55272455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878.

The product of its digits is 70000, while the sum is 35.

The square root of 55272455 is about 7434.5447069743. The cubic root of 55272455 is about 380.9221716509.

The spelling of 55272455 in words is "fifty-five million, two hundred seventy-two thousand, four hundred fifty-five".