52193904 has 80 divisors (see below), whose sum is σ = 155204352. Its totient is φ = 14805504.

The previous prime is 52193899. The next prime is 52193929. The reversal of 52193904 is 40939125.

It is a super-2 number, since 2×52193904² = 5448407229522432, which contains 22 as substring.

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, 54292 + ... + 55244.

Almost surely, 2^52193904 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 52193904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77602176).

52193904 is an abundant number, since it is smaller than the sum of its proper divisors (103010448).

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

52193904 is a wasteful number, since it uses less digits than its factorization.

52193904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 52193904 is about 7224.5348639203. The cubic root of 52193904 is about 373.7144817722.

The spelling of 52193904 in words is "fifty-two million, one hundred ninety-three thousand, nine hundred four".