53120252 has 12 divisors (see below), whose sum is σ = 93024456. Its totient is φ = 26541840.

The previous prime is 53120251. The next prime is 53120303. The reversal of 53120252 is 25202135.

It is a super-2 number, since 2×53120252² = 5643522345087008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53120251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578 + ... + 10910.

It is an arithmetic number, because the mean of its divisors is an integer number (7752038).

Almost surely, 2^53120252 is an apocalyptic number.

It is an amenable number.

53120252 is a deficient number, since it is larger than the sum of its proper divisors (39904204).

53120252 is a wasteful number, since it uses less digits than its factorization.

53120252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148 (or 9146 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53120252 is about 7288.3641511659. The cubic root of 53120252 is about 375.9124494361.

Adding to 53120252 its reverse (25202135), we get a palindrome (78322387).

The spelling of 53120252 in words is "fifty-three million, one hundred twenty thousand, two hundred fifty-two".