53401504 has 48 divisors (see below), whose sum is σ = 114169608. Its totient is φ = 24440832.

The previous prime is 53401501. The next prime is 53401547. The reversal of 53401504 is 40510435.

It can be written as a sum of positive squares in 4 ways, for example, as 24800400 + 28601104 = 4980^2 + 5348^2 .

It is not an unprimeable number, because it can be changed into a prime (53401501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56524 + ... + 57460.

Almost surely, 2^53401504 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 53401504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57084804).

53401504 is an abundant number, since it is smaller than the sum of its proper divisors (60768104).

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

53401504 is a wasteful number, since it uses less digits than its factorization.

53401504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53401504 is about 7307.6332693971. The cubic root of 53401504 is about 376.5747209029.

Adding to 53401504 its reverse (40510435), we get a palindrome (93911939).

The spelling of 53401504 in words is "fifty-three million, four hundred one thousand, five hundred four".