55923903 has 12 divisors (see below), whose sum is σ = 92318928. Its totient is φ = 31956480.

The previous prime is 55923883. The next prime is 55923911. The reversal of 55923903 is 30932955.

It is not a de Polignac number, because 55923903 - 2²⁴ = 39146687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55923103) 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, 443778 + ... + 443903.

It is an arithmetic number, because the mean of its divisors is an integer number (7693244).

Almost surely, 2^55923903 is an apocalyptic number.

55923903 is a deficient number, since it is larger than the sum of its proper divisors (36395025).

55923903 is a wasteful number, since it uses less digits than its factorization.

55923903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887694 (or 887691 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 55923903 is about 7478.2286004107. The cubic root of 55923903 is about 382.4128623754.

The spelling of 55923903 in words is "fifty-five million, nine hundred twenty-three thousand, nine hundred three".