55923291 has 12 divisors (see below), whose sum is σ = 83770232. Its totient is φ = 37282032.

The previous prime is 55923269. The next prime is 55923293. The reversal of 55923291 is 19232955.

It is a happy number.

It is not a de Polignac number, because 55923291 - 2⁶ = 55923227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55923293) 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, 114826 + ... + 115311.

Almost surely, 2^55923291 is an apocalyptic number.

55923291 is a deficient number, since it is larger than the sum of its proper divisors (27846941).

55923291 is an equidigital number, since it uses as much as digits as its factorization.

55923291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230152 (or 230140 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 55923291 is about 7478.1876815175. The cubic root of 55923291 is about 382.4114673993.

The spelling of 55923291 in words is "fifty-five million, nine hundred twenty-three thousand, two hundred ninety-one".