55896331 has 2 divisors, whose sum is σ = 55896332. Its totient is φ = 55896330.

The previous prime is 55896257. The next prime is 55896343. The reversal of 55896331 is 13369855.

55896331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55896331 - 2²³ = 47507723 is a prime.

It is a super-2 number, since 2×55896331² = 6248799638523122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55896031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27948165 + 27948166.

It is an arithmetic number, because the mean of its divisors is an integer number (27948166).

Almost surely, 2^55896331 is an apocalyptic number.

55896331 is a deficient number, since it is larger than the sum of its proper divisors (1).

55896331 is an equidigital number, since it uses as much as digits as its factorization.

55896331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 55896331 is about 7476.3848884337. The cubic root of 55896331 is about 382.3500054087.

The spelling of 55896331 in words is "fifty-five million, eight hundred ninety-six thousand, three hundred thirty-one".