52942530 has 32 divisors (see below), whose sum is σ = 128257344. Its totient is φ = 13985216.

The previous prime is 52942517. The next prime is 52942537. The reversal of 52942530 is 3524925.

It is a super-2 number, since 2×52942530² = 5605822965601800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (52942537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5037 + ... + 11456.

It is an arithmetic number, because the mean of its divisors is an integer number (4008042).

Almost surely, 2^52942530 is an apocalyptic number.

52942530 is an abundant number, since it is smaller than the sum of its proper divisors (75314814).

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

52942530 is a wasteful number, since it uses less digits than its factorization.

52942530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16610.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 52942530 is about 7276.1617629077. The cubic root of 52942530 is about 375.4927566698.

The spelling of 52942530 in words is "fifty-two million, nine hundred forty-two thousand, five hundred thirty".