53139562 has 16 divisors (see below), whose sum is σ = 91510272. Its totient is φ = 22670640.

The previous prime is 53139557. The next prime is 53139613. The reversal of 53139562 is 26593135.

It is a happy number.

53139562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 5389 + ... + 11632.

It is an arithmetic number, because the mean of its divisors is an integer number (5719392).

Almost surely, 2^53139562 is an apocalyptic number.

53139562 is a deficient number, since it is larger than the sum of its proper divisors (38370710).

53139562 is a wasteful number, since it uses less digits than its factorization.

53139562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17253.

The product of its digits is 24300, while the sum is 34.

The square root of 53139562 is about 7289.6887450700. The cubic root of 53139562 is about 375.9579938361.

The spelling of 53139562 in words is "fifty-three million, one hundred thirty-nine thousand, five hundred sixty-two".