55910047 has 4 divisors (see below), whose sum is σ = 55964296. Its totient is φ = 55855800.

The previous prime is 55910039. The next prime is 55910051. The reversal of 55910047 is 74001955.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55910047 - 2³ = 55910039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55910017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25548 + ... + 27649.

It is an arithmetic number, because the mean of its divisors is an integer number (13991074).

Almost surely, 2^55910047 is an apocalyptic number.

55910047 is a deficient number, since it is larger than the sum of its proper divisors (54249).

55910047 is a wasteful number, since it uses less digits than its factorization.

55910047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54248.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 55910047 is about 7477.3021204175. The cubic root of 55910047 is about 382.3812768934.

The spelling of 55910047 in words is "fifty-five million, nine hundred ten thousand, forty-seven".