53012464 has 40 divisors (see below), whose sum is σ = 108765360. Its totient is φ = 24987648.

The previous prime is 53012441. The next prime is 53012471. The reversal of 53012464 is 46421035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18624 + ... + 21280.

It is an arithmetic number, because the mean of its divisors is an integer number (2719134).

Almost surely, 2^53012464 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 53012464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54382680).

53012464 is an abundant number, since it is smaller than the sum of its proper divisors (55752896).

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

53012464 is a wasteful number, since it uses less digits than its factorization.

53012464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53012464 is about 7280.9658699928. The cubic root of 53012464 is about 375.6580186146.

Adding to 53012464 its reverse (46421035), we get a palindrome (99433499).

The spelling of 53012464 in words is "fifty-three million, twelve thousand, four hundred sixty-four".