55271375 has 8 divisors (see below), whose sum is σ = 68978832. Its totient is φ = 44217000.

The previous prime is 55271353. The next prime is 55271413. The reversal of 55271375 is 57317255.

It is not a de Polignac number, because 55271375 - 2²² = 51077071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220961 + ... + 221210.

It is an arithmetic number, because the mean of its divisors is an integer number (8622354).

Almost surely, 2^55271375 is an apocalyptic number.

55271375 is a deficient number, since it is larger than the sum of its proper divisors (13707457).

55271375 is an equidigital number, since it uses as much as digits as its factorization.

55271375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442186 (or 442176 counting only the distinct ones).

The product of its digits is 36750, while the sum is 35.

The square root of 55271375 is about 7434.4720727164. The cubic root of 55271375 is about 380.9196906162.

The spelling of 55271375 in words is "fifty-five million, two hundred seventy-one thousand, three hundred seventy-five".