53400502 has 8 divisors (see below), whose sum is σ = 84812616. Its totient is φ = 25129632.

The previous prime is 53400499. The next prime is 53400547. The reversal of 53400502 is 20500435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53400502² = 5703227227704008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53400502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785268 + ... + 785335.

It is an arithmetic number, because the mean of its divisors is an integer number (10601577).

Almost surely, 2^53400502 is an apocalyptic number.

53400502 is a deficient number, since it is larger than the sum of its proper divisors (31412114).

53400502 is a wasteful number, since it uses less digits than its factorization.

53400502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570622.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 53400502 is about 7307.5647106269. The cubic root of 53400502 is about 376.5723655996.

Adding to 53400502 its reverse (20500435), we get a palindrome (73900937).

The spelling of 53400502 in words is "fifty-three million, four hundred thousand, five hundred two".