52911644 has 12 divisors (see below), whose sum is σ = 94113768. Its totient is φ = 26022000.

The previous prime is 52911643. The next prime is 52911647. The reversal of 52911644 is 44611925.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52911644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52911643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108182 + ... + 108669.

It is an arithmetic number, because the mean of its divisors is an integer number (7842814).

Almost surely, 2^52911644 is an apocalyptic number.

It is an amenable number.

52911644 is a deficient number, since it is larger than the sum of its proper divisors (41202124).

52911644 is a wasteful number, since it uses less digits than its factorization.

52911644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216916 (or 216914 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 52911644 is about 7274.0390430627. The cubic root of 52911644 is about 375.4197232297.

The spelling of 52911644 in words is "fifty-two million, nine hundred eleven thousand, six hundred forty-four".