52943904 has 144 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 15994368.

The previous prime is 52943903. The next prime is 52943927. The reversal of 52943904 is 40934925.

52943904 is a `hidden beast` number, since 529 + 43 + 90 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×52943904² = 5606113941522432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52943903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295687 + ... + 295865.

It is an arithmetic number, because the mean of its divisors is an integer number (1146600).

Almost surely, 2^52943904 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 52943904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

52943904 is an abundant number, since it is smaller than the sum of its proper divisors (112166496).

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

52943904 is a wasteful number, since it uses less digits than its factorization.

52943904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 52943904 is about 7276.2561802070. The cubic root of 52943904 is about 375.4960049882.

The spelling of 52943904 in words is "fifty-two million, nine hundred forty-three thousand, nine hundred four".