53201439 has 12 divisors (see below), whose sum is σ = 76938576. Its totient is φ = 35425152.

The previous prime is 53201431. The next prime is 53201459. The reversal of 53201439 is 93410235.

It is not a de Polignac number, because 53201439 - 2³ = 53201431 is a prime.

It is a super-2 number, since 2×53201439² = 5660786223341442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53201431) 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, 5647 + ... + 11759.

It is an arithmetic number, because the mean of its divisors is an integer number (6411548).

Almost surely, 2^53201439 is an apocalyptic number.

53201439 is a deficient number, since it is larger than the sum of its proper divisors (23737137).

53201439 is a wasteful number, since it uses less digits than its factorization.

53201439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 53201439 is about 7293.9316558356. The cubic root of 53201439 is about 376.1038621142.

The spelling of 53201439 in words is "fifty-three million, two hundred one thousand, four hundred thirty-nine".