55271052 has 48 divisors (see below), whose sum is σ = 143848320. Its totient is φ = 18352656.

The previous prime is 55270991. The next prime is 55271077. The reversal of 55271052 is 25017255.

It is a happy number.

55271052 is a `hidden beast` number, since 552 + 7 + 105 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 32323 + ... + 33989.

It is an arithmetic number, because the mean of its divisors is an integer number (2996840).

Almost surely, 2^55271052 is an apocalyptic number.

It is an amenable number.

55271052 is an abundant number, since it is smaller than the sum of its proper divisors (88577268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55271052 is a wasteful number, since it uses less digits than its factorization.

55271052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 55271052 is about 7434.4503495551. The cubic root of 55271052 is about 380.9189485968.

The spelling of 55271052 in words is "fifty-five million, two hundred seventy-one thousand, fifty-two".