52545792 has 144 divisors (see below), whose sum is σ = 159104960. Its totient is φ = 15261696.

The previous prime is 52545781. The next prime is 52545797. The reversal of 52545792 is 29754525.

It is a super-2 number, since 2×52545792² = 5522120513814528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 52545792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52545797) 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, 189558 + ... + 189834.

Almost surely, 2^52545792 is an apocalyptic number.

52545792 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52545792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79552480).

52545792 is an abundant number, since it is smaller than the sum of its proper divisors (106559168).

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

52545792 is a wasteful number, since it uses less digits than its factorization.

52545792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 314 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 52545792 is about 7248.8476325551. The cubic root of 52545792 is about 374.5524545317.

The spelling of 52545792 in words is "fifty-two million, five hundred forty-five thousand, seven hundred ninety-two".