53121673810 has 8 divisors (see below), whose sum is σ = 95619012876. Its totient is φ = 21248669520.

The previous prime is 53121673807. The next prime is 53121673823. The reversal of 53121673810 is 1837612135.

It can be written as a sum of positive squares in 2 ways, for example, as 52760711809 + 360962001 = 229697^2 + 18999^2 .

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

It is a super-2 number, since 2×53121673810² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53121673810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656083681 + ... + 2656083700.

Almost surely, 2^53121673810 is an apocalyptic number.

53121673810 is a deficient number, since it is larger than the sum of its proper divisors (42497339066).

53121673810 is a wasteful number, since it uses less digits than its factorization.

53121673810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312167388.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 53121673810 in words is "fifty-three billion, one hundred twenty-one million, six hundred seventy-three thousand, eight hundred ten".