55254931 has 2 divisors, whose sum is σ = 55254932. Its totient is φ = 55254930.

The previous prime is 55254929. The next prime is 55254943. The reversal of 55254931 is 13945255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55254931 - 2¹ = 55254929 is a prime.

It is a super-2 number, since 2×55254931² = 6106214799629522, which contains 22 as substring.

Together with 55254929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55254911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627465 + 27627466.

It is an arithmetic number, because the mean of its divisors is an integer number (27627466).

Almost surely, 2^55254931 is an apocalyptic number.

55254931 is a deficient number, since it is larger than the sum of its proper divisors (1).

55254931 is an equidigital number, since it uses as much as digits as its factorization.

55254931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 34.

The square root of 55254931 is about 7433.3660612135. The cubic root of 55254931 is about 380.8819105737.

The spelling of 55254931 in words is "fifty-five million, two hundred fifty-four thousand, nine hundred thirty-one".