54315971 has 2 divisors, whose sum is σ = 54315972. Its totient is φ = 54315970.

The previous prime is 54315967. The next prime is 54315983. The reversal of 54315971 is 17951345.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54315971 - 2² = 54315967 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54315941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27157985 + 27157986.

It is an arithmetic number, because the mean of its divisors is an integer number (27157986).

Almost surely, 2^54315971 is an apocalyptic number.

54315971 is a deficient number, since it is larger than the sum of its proper divisors (1).

54315971 is an equidigital number, since it uses as much as digits as its factorization.

54315971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 54315971 is about 7369.9369739503. The cubic root of 54315971 is about 378.7121011939.

The spelling of 54315971 in words is "fifty-four million, three hundred fifteen thousand, nine hundred seventy-one".