538573572 has 36 divisors (see below), whose sum is σ = 1368322956. Its totient is φ = 178610880.

The previous prime is 538573561. The next prime is 538573577. The reversal of 538573572 is 275375835.

538573572 is a `hidden beast` number, since 5 + 3 + 8 + 5 + 73 + 572 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 504631296 + 33942276 = 22464^2 + 5826^2 .

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

It is a super-2 number, since 2×538573572² = 580122984913678368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (538573577) 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, 30879 + ... + 45062.

It is an arithmetic number, because the mean of its divisors is an integer number (38008971).

Almost surely, 2^538573572 is an apocalyptic number.

It is an amenable number.

538573572 is an abundant number, since it is smaller than the sum of its proper divisors (829749384).

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

538573572 is a wasteful number, since it uses less digits than its factorization.

538573572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76148 (or 76143 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 538573572 is about 23207.1879382229. The cubic root of 538573572 is about 813.6076302426.

The spelling of 538573572 in words is "five hundred thirty-eight million, five hundred seventy-three thousand, five hundred seventy-two".