52571730 has 32 divisors (see below), whose sum is σ = 126391104. Its totient is φ = 13994816.

The previous prime is 52571723. The next prime is 52571731. The reversal of 52571730 is 3717525.

It is a super-3 number, since 3×52571730³ (a number of 24 digits) contains 333 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 (52571731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22057 + ... + 24323.

It is an arithmetic number, because the mean of its divisors is an integer number (3949722).

Almost surely, 2^52571730 is an apocalyptic number.

52571730 is an abundant number, since it is smaller than the sum of its proper divisors (73819374).

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

52571730 is a wasteful number, since it uses less digits than its factorization.

52571730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 52571730 is about 7250.6365237819. The cubic root of 52571730 is about 374.6140740772.

It can be divided in two parts, 52571 and 730, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 52571730 in words is "fifty-two million, five hundred seventy-one thousand, seven hundred thirty".