53115543501 has 16 divisors (see below), whose sum is σ = 72566480448. Its totient is φ = 34537923200.

The previous prime is 53115543493. The next prime is 53115543517. The reversal of 53115543501 is 10534551135.

It is a cyclic number.

It is not a de Polignac number, because 53115543501 - 2³ = 53115543493 is a prime.

It is a super-2 number, since 2×53115543501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115543101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450415 + ... + 555971.

It is an arithmetic number, because the mean of its divisors is an integer number (4535405028).

Almost surely, 2^53115543501 is an apocalyptic number.

It is an amenable number.

53115543501 is a deficient number, since it is larger than the sum of its proper divisors (19450936947).

53115543501 is a wasteful number, since it uses less digits than its factorization.

53115543501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109692.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 53115543501 in words is "fifty-three billion, one hundred fifteen million, five hundred forty-three thousand, five hundred one".