55541547 has 12 divisors (see below), whose sum is σ = 80519920. Its totient is φ = 36892368.

The previous prime is 55541543. The next prime is 55541557. The reversal of 55541547 is 74514555.

It is not a de Polignac number, because 55541547 - 2² = 55541543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55541543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8647 + ... + 13632.

Almost surely, 2^55541547 is an apocalyptic number.

55541547 is a deficient number, since it is larger than the sum of its proper divisors (24978373).

55541547 is a wasteful number, since it uses less digits than its factorization.

55541547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22562 (or 22559 counting only the distinct ones).

The product of its digits is 70000, while the sum is 36.

The square root of 55541547 is about 7452.6201432785. The cubic root of 55541547 is about 381.5393399023.

The spelling of 55541547 in words is "fifty-five million, five hundred forty-one thousand, five hundred forty-seven".