52643412 has 48 divisors (see below), whose sum is σ = 142423680. Its totient is φ = 16784064.

The previous prime is 52643369. The next prime is 52643449. The reversal of 52643412 is 21434625.

52643412 is a `hidden beast` number, since 5 + 2 + 643 + 4 + 12 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8113 + ... + 13080.

It is an arithmetic number, because the mean of its divisors is an integer number (2967160).

Almost surely, 2^52643412 is an apocalyptic number.

It is an amenable number.

52643412 is an abundant number, since it is smaller than the sum of its proper divisors (89780268).

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

52643412 is a wasteful number, since it uses less digits than its factorization.

52643412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21229 (or 21221 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 52643412 is about 7255.5779921382. The cubic root of 52643412 is about 374.7842599070.

The spelling of 52643412 in words is "fifty-two million, six hundred forty-three thousand, four hundred twelve".