57245752 has 16 divisors (see below), whose sum is σ = 108379440. Its totient is φ = 28344576.

The previous prime is 57245743. The next prime is 57245759. The reversal of 57245752 is 25754275.

It is a super-2 number, since 2×57245752² = 6554152244091008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57245759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33913 + ... + 35560.

It is an arithmetic number, because the mean of its divisors is an integer number (6773715).

Almost surely, 2^57245752 is an apocalyptic number.

It is an amenable number.

57245752 is a deficient number, since it is larger than the sum of its proper divisors (51133688).

57245752 is a wasteful number, since it uses less digits than its factorization.

57245752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69582 (or 69578 counting only the distinct ones).

The product of its digits is 98000, while the sum is 37.

The square root of 57245752 is about 7566.0922542618. The cubic root of 57245752 is about 385.4024060381.

It can be divided in two parts, 5724 and 5752, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 57245752 in words is "fifty-seven million, two hundred forty-five thousand, seven hundred fifty-two".