52157952 has 320 divisors, whose sum is σ = 196416000. Its totient is φ = 13547520.

The previous prime is 52157939. The next prime is 52157953. The reversal of 52157952 is 25975125.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52157953) 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, 4741627 + ... + 4741637.

It is an arithmetic number, because the mean of its divisors is an integer number (613800).

Almost surely, 2^52157952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52157952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98208000).

52157952 is an abundant number, since it is smaller than the sum of its proper divisors (144258048).

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

52157952 is an equidigital number, since it uses as much as digits as its factorization.

52157952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 23 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 52157952 is about 7222.0462474288. The cubic root of 52157952 is about 373.6286552156.

The spelling of 52157952 in words is "fifty-two million, one hundred fifty-seven thousand, nine hundred fifty-two".