57260052 has 36 divisors (see below), whose sum is σ = 144979380. Its totient is φ = 19055232.

The previous prime is 57260051. The next prime is 57260057. The reversal of 57260052 is 25006275.

57260052 is a `hidden beast` number, since 5 + 7 + 2 + 600 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27185796 + 30074256 = 5214^2 + 5484^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 57259998 and 57260025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57260051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33474 + ... + 35142.

It is an arithmetic number, because the mean of its divisors is an integer number (4027205).

Almost surely, 2^57260052 is an apocalyptic number.

It is an amenable number.

57260052 is an abundant number, since it is smaller than the sum of its proper divisors (87719328).

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

57260052 is a wasteful number, since it uses less digits than its factorization.

57260052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 57260052 is about 7567.0372009129. The cubic root of 57260052 is about 385.4344945650.

The spelling of 57260052 in words is "fifty-seven million, two hundred sixty thousand, fifty-two".