57527840 has 24 divisors (see below), whose sum is σ = 135909900. Its totient is φ = 23011072.

The previous prime is 57527837. The next prime is 57527917. The reversal of 57527840 is 4872575.

57527840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 1157776 = 7508^2 + 1076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57527794 and 57527803.

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 3 ways as a sum of consecutive naturals, for example, 179615 + ... + 179934.

Almost surely, 2^57527840 is an apocalyptic number.

It is an amenable number.

57527840 is an abundant number, since it is smaller than the sum of its proper divisors (78382060).

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

57527840 is a wasteful number, since it uses less digits than its factorization.

57527840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359564 (or 359556 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 57527840 is about 7584.7109371419. The cubic root of 57527840 is about 386.0344139630.

The spelling of 57527840 in words is "fifty-seven million, five hundred twenty-seven thousand, eight hundred forty".