55461272 has 8 divisors (see below), whose sum is σ = 103989900. Its totient is φ = 27730632.

The previous prime is 55461229. The next prime is 55461313. The reversal of 55461272 is 27216455.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3466322 + ... + 3466337.

Almost surely, 2^55461272 is an apocalyptic number.

It is an amenable number.

55461272 is a deficient number, since it is larger than the sum of its proper divisors (48528628).

55461272 is a wasteful number, since it uses less digits than its factorization.

55461272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932665 (or 6932661 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 55461272 is about 7447.2325061059. The cubic root of 55461272 is about 381.3554365017.

The spelling of 55461272 in words is "fifty-five million, four hundred sixty-one thousand, two hundred seventy-two".