55201923 has 48 divisors (see below), whose sum is σ = 94488576. Its totient is φ = 30404160.

The previous prime is 55201921. The next prime is 55201933. The reversal of 55201923 is 32910255.

It is not a de Polignac number, because 55201923 - 2¹ = 55201921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55201921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304893 + ... + 305073.

It is an arithmetic number, because the mean of its divisors is an integer number (1968512).

Almost surely, 2^55201923 is an apocalyptic number.

55201923 is a deficient number, since it is larger than the sum of its proper divisors (39286653).

55201923 is a wasteful number, since it uses less digits than its factorization.

55201923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 55201923 is about 7429.7996608253. The cubic root of 55201923 is about 380.7600737974.

The spelling of 55201923 in words is "fifty-five million, two hundred one thousand, nine hundred twenty-three".