53933247 has 12 divisors (see below), whose sum is σ = 77967240. Its totient is φ = 35926128.

The previous prime is 53933239. The next prime is 53933263. The reversal of 53933247 is 74233935.

It is not a de Polignac number, because 53933247 - 2³ = 53933239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53933207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20704 + ... + 23162.

It is an arithmetic number, because the mean of its divisors is an integer number (6497270).

Almost surely, 2^53933247 is an apocalyptic number.

53933247 is a deficient number, since it is larger than the sum of its proper divisors (24033993).

53933247 is a wasteful number, since it uses less digits than its factorization.

53933247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902 (or 4899 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 53933247 is about 7343.9258574689. The cubic root of 53933247 is about 377.8205035074.

The spelling of 53933247 in words is "fifty-three million, nine hundred thirty-three thousand, two hundred forty-seven".