30057564 has 24 divisors (see below), whose sum is σ = 74260368. Its totient is φ = 9429760.

The previous prime is 30057553. The next prime is 30057571. The reversal of 30057564 is 46575003.

It is a super-2 number, since 2×30057564² = 1806914307228192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73467 + ... + 73874.

It is an arithmetic number, because the mean of its divisors is an integer number (3094182).

Almost surely, 2^30057564 is an apocalyptic number.

30057564 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30057564 is an abundant number, since it is smaller than the sum of its proper divisors (44202804).

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

30057564 is a wasteful number, since it uses less digits than its factorization.

30057564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147365 (or 147363 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 30057564 is about 5482.4779069322. The cubic root of 30057564 is about 310.9218622086.

The spelling of 30057564 in words is "thirty million, fifty-seven thousand, five hundred sixty-four".