52515762 has 64 divisors (see below), whose sum is σ = 119943936. Its totient is φ = 15206400.

The previous prime is 52515761. The next prime is 52515763. The reversal of 52515762 is 26751525.

It is an interprime number because it is at equal distance from previous prime (52515761) and next prime (52515763).

It is not an unprimeable number, because it can be changed into a prime (52515761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130762 + ... + 131162.

It is an arithmetic number, because the mean of its divisors is an integer number (1874124).

Almost surely, 2^52515762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52515762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59971968).

52515762 is an abundant number, since it is smaller than the sum of its proper divisors (67428174).

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

52515762 is a wasteful number, since it uses less digits than its factorization.

52515762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its digits is 21000, while the sum is 33.

The square root of 52515762 is about 7246.7759728034. The cubic root of 52515762 is about 374.4810885024.

The spelling of 52515762 in words is "fifty-two million, five hundred fifteen thousand, seven hundred sixty-two".