53500051979 has 8 divisors (see below), whose sum is σ = 59464895472. Its totient is φ = 47718742240.

The previous prime is 53500051963. The next prime is 53500052003. The reversal of 53500051979 is 97915000535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53500051979 - 2⁴ = 53500051963 is a prime.

It is a super-3 number, since 3×53500051979³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53500053979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45882824 + ... + 45883989.

It is an arithmetic number, because the mean of its divisors is an integer number (7433111934).

Almost surely, 2^53500051979 is an apocalyptic number.

53500051979 is a deficient number, since it is larger than the sum of its proper divisors (5964843493).

53500051979 is a wasteful number, since it uses less digits than its factorization.

53500051979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91766877.

The product of its (nonzero) digits is 212625, while the sum is 44.

The spelling of 53500051979 in words is "fifty-three billion, five hundred million, fifty-one thousand, nine hundred seventy-nine".