57401272 has 8 divisors (see below), whose sum is σ = 107627400. Its totient is φ = 28700632.

The previous prime is 57401257. The next prime is 57401297. The reversal of 57401272 is 27210475.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 57401272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3587572 + ... + 3587587.

It is an arithmetic number, because the mean of its divisors is an integer number (13453425).

Almost surely, 2^57401272 is an apocalyptic number.

It is an amenable number.

57401272 is a deficient number, since it is larger than the sum of its proper divisors (50226128).

57401272 is a wasteful number, since it uses less digits than its factorization.

57401272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175165 (or 7175161 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 57401272 is about 7576.3627157100. The cubic root of 57401272 is about 385.7510990796.

The spelling of 57401272 in words is "fifty-seven million, four hundred one thousand, two hundred seventy-two".