53020344515 has 16 divisors (see below), whose sum is σ = 67372663680. Its totient is φ = 39917859840.

The previous prime is 53020344491. The next prime is 53020344541. The reversal of 53020344515 is 51544302035.

It is a happy number.

It is not a de Polignac number, because 53020344515 - 2²⁶ = 52953235651 is a prime.

It is a super-2 number, since 2×53020344515² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557446 + ... + 1591124.

It is an arithmetic number, because the mean of its divisors is an integer number (4210791480).

Almost surely, 2^53020344515 is an apocalyptic number.

53020344515 is a deficient number, since it is larger than the sum of its proper divisors (14352319165).

53020344515 is a wasteful number, since it uses less digits than its factorization.

53020344515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52222.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 53020344515 in words is "fifty-three billion, twenty million, three hundred forty-four thousand, five hundred fifteen".