57654440 has 16 divisors (see below), whose sum is σ = 129722580. Its totient is φ = 23061760.

The previous prime is 57654433. The next prime is 57654461. The reversal of 57654440 is 4445675.

It can be written as a sum of positive squares in 2 ways, for example, as 57183844 + 470596 = 7562^2 + 686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57654440.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720641 + ... + 720720.

Almost surely, 2^57654440 is an apocalyptic number.

It is an amenable number.

57654440 is an abundant number, since it is smaller than the sum of its proper divisors (72068140).

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

57654440 is a wasteful number, since it uses less digits than its factorization.

57654440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441372 (or 1441368 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 57654440 is about 7593.0520872703. The cubic root of 57654440 is about 386.3173850727.

The spelling of 57654440 in words is "fifty-seven million, six hundred fifty-four thousand, four hundred forty".