64542956 has 6 divisors (see below), whose sum is σ = 112950180. Its totient is φ = 32271476.

The previous prime is 64542937. The next prime is 64542977. The reversal of 64542956 is 65924546.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8067866 + ... + 8067873.

It is an arithmetic number, because the mean of its divisors is an integer number (18825030).

Almost surely, 2^64542956 is an apocalyptic number.

It is an amenable number.

64542956 is a deficient number, since it is larger than the sum of its proper divisors (48407224).

64542956 is a wasteful number, since it uses less digits than its factorization.

64542956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135743 (or 16135741 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 64542956 is about 8033.8630807352. The cubic root of 64542956 is about 401.1279745271.

The spelling of 64542956 in words is "sixty-four million, five hundred forty-two thousand, nine hundred fifty-six".