52273152 has 84 divisors (see below), whose sum is σ = 151215090. Its totient is φ = 17399808.

The previous prime is 52273139. The next prime is 52273153. The reversal of 52273152 is 25137225.

It can be written as a sum of positive squares in only one way, i.e., 50466816 + 1806336 = 7104^2 + 1344^2 .

It is not an unprimeable number, because it can be changed into a prime (52273153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73374 + ... + 74082.

Almost surely, 2^52273152 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 52273152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75607545).

52273152 is an abundant number, since it is smaller than the sum of its proper divisors (98941938).

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

52273152 is an equidigital number, since it uses as much as digits as its factorization.

52273152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 714 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 52273152 is about 7230.0174273649. The cubic root of 52273152 is about 373.9035277879.

It can be divided in two parts, 52273 and 152, that added together give a palindrome (52425).

The spelling of 52273152 in words is "fifty-two million, two hundred seventy-three thousand, one hundred fifty-two".