55316951 has 2 divisors, whose sum is σ = 55316952. Its totient is φ = 55316950.

The previous prime is 55316939. The next prime is 55316953. The reversal of 55316951 is 15961355.

It is a happy number.

55316951 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 55316951 - 2¹⁰ = 55315927 is a prime.

Together with 55316953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55316953) 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, 27658475 + 27658476.

It is an arithmetic number, because the mean of its divisors is an integer number (27658476).

Almost surely, 2^55316951 is an apocalyptic number.

55316951 is a deficient number, since it is larger than the sum of its proper divisors (1).

55316951 is an equidigital number, since it uses as much as digits as its factorization.

55316951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20250, while the sum is 35.

The square root of 55316951 is about 7437.5366217586. The cubic root of 55316951 is about 381.0243621946.

The spelling of 55316951 in words is "fifty-five million, three hundred sixteen thousand, nine hundred fifty-one".