53117379 has 24 divisors (see below), whose sum is σ = 89556480. Its totient is φ = 29705328.

The previous prime is 53117371. The next prime is 53117381. The reversal of 53117379 is 97371135.

It is not a de Polignac number, because 53117379 - 2³ = 53117371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53117371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6009 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (3731520).

Almost surely, 2^53117379 is an apocalyptic number.

53117379 is a deficient number, since it is larger than the sum of its proper divisors (36439101).

53117379 is a wasteful number, since it uses less digits than its factorization.

53117379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17999 (or 17996 counting only the distinct ones).

The product of its digits is 19845, while the sum is 36.

The square root of 53117379 is about 7288.1670535190. The cubic root of 53117379 is about 375.9056722598.

The spelling of 53117379 in words is "fifty-three million, one hundred seventeen thousand, three hundred seventy-nine".