53336979 has 12 divisors (see below), whose sum is σ = 77114856. Its totient is φ = 35524512.

The previous prime is 53336951. The next prime is 53336981. The reversal of 53336979 is 97963335.

It is not a de Polignac number, because 53336979 - 2⁹ = 53336467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53336909) 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, 10767 + ... + 14919.

It is an arithmetic number, because the mean of its divisors is an integer number (6426238).

Almost surely, 2^53336979 is an apocalyptic number.

53336979 is a deficient number, since it is larger than the sum of its proper divisors (23777877).

53336979 is a wasteful number, since it uses less digits than its factorization.

53336979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586 (or 5583 counting only the distinct ones).

The product of its digits is 459270, while the sum is 45.

The square root of 53336979 is about 7303.2170308707. The cubic root of 53336979 is about 376.4229881162.

The spelling of 53336979 in words is "fifty-three million, three hundred thirty-six thousand, nine hundred seventy-nine".