64312554 has 16 divisors (see below), whose sum is σ = 134217792. Its totient is φ = 20505408.

The previous prime is 64312529. The next prime is 64312571. The reversal of 64312554 is 45521346.

It is a super-2 number, since 2×64312554² = 8272209204005832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232879 + ... + 233154.

It is an arithmetic number, because the mean of its divisors is an integer number (8388612).

Almost surely, 2^64312554 is an apocalyptic number.

64312554 is an abundant number, since it is smaller than the sum of its proper divisors (69905238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64312554 is a wasteful number, since it uses less digits than its factorization.

64312554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466061.

The product of its digits is 14400, while the sum is 30.

The square root of 64312554 is about 8019.5108329623. The cubic root of 64312554 is about 400.6500970289.

The spelling of 64312554 in words is "sixty-four million, three hundred twelve thousand, five hundred fifty-four".