53386839 has 12 divisors (see below), whose sum is σ = 84124872. Its totient is φ = 32355600.

The previous prime is 53386831. The next prime is 53386859. The reversal of 53386839 is 93868335.

53386839 is a `hidden beast` number, since 533 + 86 + 8 + 39 = 666.

It is not a de Polignac number, because 53386839 - 2³ = 53386831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53386794 and 53386803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53386831) 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, 269532 + ... + 269729.

It is an arithmetic number, because the mean of its divisors is an integer number (7010406).

Almost surely, 2^53386839 is an apocalyptic number.

53386839 is a deficient number, since it is larger than the sum of its proper divisors (30738033).

53386839 is a wasteful number, since it uses less digits than its factorization.

53386839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539278 (or 539275 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 53386839 is about 7306.6297976564. The cubic root of 53386839 is about 376.5402463815.

The spelling of 53386839 in words is "fifty-three million, three hundred eighty-six thousand, eight hundred thirty-nine".