54407957 has 2 divisors, whose sum is σ = 54407958. Its totient is φ = 54407956.

The previous prime is 54407921. The next prime is 54407959. The reversal of 54407957 is 75970445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43903876 + 10504081 = 6626^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 54407957 - 2²⁰ = 53359381 is a prime.

Together with 54407959, 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 (54407959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27203978 + 27203979.

It is an arithmetic number, because the mean of its divisors is an integer number (27203979).

Almost surely, 2^54407957 is an apocalyptic number.

It is an amenable number.

54407957 is a deficient number, since it is larger than the sum of its proper divisors (1).

54407957 is an equidigital number, since it uses as much as digits as its factorization.

54407957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 54407957 is about 7376.1749572526. The cubic root of 54407957 is about 378.9257680261.

The spelling of 54407957 in words is "fifty-four million, four hundred seven thousand, nine hundred fifty-seven".