52947992 has 8 divisors (see below), whose sum is σ = 99277500. Its totient is φ = 26473992.

The previous prime is 52947989. The next prime is 52948009. The reversal of 52947992 is 29974925.

52947992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3309242 + ... + 3309257.

Almost surely, 2^52947992 is an apocalyptic number.

It is an amenable number.

52947992 is a deficient number, since it is larger than the sum of its proper divisors (46329508).

52947992 is a wasteful number, since it uses less digits than its factorization.

52947992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618505 (or 6618501 counting only the distinct ones).

The product of its digits is 408240, while the sum is 47.

The square root of 52947992 is about 7276.5370884783. The cubic root of 52947992 is about 375.5056692306.

The spelling of 52947992 in words is "fifty-two million, nine hundred forty-seven thousand, nine hundred ninety-two".