53979558 has 32 divisors (see below), whose sum is σ = 110097792. Its totient is φ = 17640000.

The previous prime is 53979557. The next prime is 53979581. The reversal of 53979558 is 85597935.

It is a self number, because there is not a number n which added to its sum of digits gives 53979558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53979553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109693 + ... + 110183.

It is an arithmetic number, because the mean of its divisors is an integer number (3440556).

Almost surely, 2^53979558 is an apocalyptic number.

53979558 is an abundant number, since it is smaller than the sum of its proper divisors (56118234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53979558 is a wasteful number, since it uses less digits than its factorization.

53979558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its digits is 1701000, while the sum is 51.

The square root of 53979558 is about 7347.0781947656. The cubic root of 53979558 is about 377.9286139375.

The spelling of 53979558 in words is "fifty-three million, nine hundred seventy-nine thousand, five hundred fifty-eight".