55136548 has 6 divisors (see below), whose sum is σ = 96488966. Its totient is φ = 27568272.

The previous prime is 55136539. The next prime is 55136561. The reversal of 55136548 is 84563155.

It can be written as a sum of positive squares in only one way, i.e., 50154724 + 4981824 = 7082^2 + 2232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6892065 + ... + 6892072.

Almost surely, 2^55136548 is an apocalyptic number.

It is an amenable number.

55136548 is a deficient number, since it is larger than the sum of its proper divisors (41352418).

55136548 is a wasteful number, since it uses less digits than its factorization.

55136548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13784141 (or 13784139 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 55136548 is about 7425.3988445066. The cubic root of 55136548 is about 380.6097045019.

The spelling of 55136548 in words is "fifty-five million, one hundred thirty-six thousand, five hundred forty-eight".