57253040 has 40 divisors (see below), whose sum is σ = 143355408. Its totient is φ = 21139200.

The previous prime is 57253037. The next prime is 57253057. The reversal of 57253040 is 4035275.

57253040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26486 + ... + 28565.

Almost surely, 2^57253040 is an apocalyptic number.

It is an amenable number.

57253040 is an abundant number, since it is smaller than the sum of its proper divisors (86102368).

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

57253040 is a wasteful number, since it uses less digits than its factorization.

57253040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55077 (or 55071 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 57253040 is about 7566.5738613986. The cubic root of 57253040 is about 385.4187606347.

The spelling of 57253040 in words is "fifty-seven million, two hundred fifty-three thousand, forty".