53404326 has 32 divisors (see below), whose sum is σ = 124924800. Its totient is φ = 16864200.

The previous prime is 53404303. The next prime is 53404339. The reversal of 53404326 is 62340435.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53404326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25000 + ... + 27051.

It is an arithmetic number, because the mean of its divisors is an integer number (3903900).

Almost surely, 2^53404326 is an apocalyptic number.

53404326 is an abundant number, since it is smaller than the sum of its proper divisors (71520474).

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

53404326 is a wasteful number, since it uses less digits than its factorization.

53404326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52081 (or 52075 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 53404326 is about 7307.8263526168. The cubic root of 53404326 is about 376.5813541440.

The spelling of 53404326 in words is "fifty-three million, four hundred four thousand, three hundred twenty-six".