54646457 has 2 divisors, whose sum is σ = 54646458. Its totient is φ = 54646456.

The previous prime is 54646441. The next prime is 54646463. The reversal of 54646457 is 75464645.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54405376 + 241081 = 7376^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 54646457 - 2⁴ = 54646441 is a prime.

It is not a weakly prime, because it can be changed into another prime (54640457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27323228 + 27323229.

It is an arithmetic number, because the mean of its divisors is an integer number (27323229).

Almost surely, 2^54646457 is an apocalyptic number.

It is an amenable number.

54646457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54646457 is an equidigital number, since it uses as much as digits as its factorization.

54646457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 41.

The square root of 54646457 is about 7392.3241947306. The cubic root of 54646457 is about 379.4786409796.

The spelling of 54646457 in words is "fifty-four million, six hundred forty-six thousand, four hundred fifty-seven".