53923638155 has 32 divisors (see below), whose sum is σ = 69956006400. Its totient is φ = 39750510592.

The previous prime is 53923638143. The next prime is 53923638211. The reversal of 53923638155 is 55183632935.

53923638155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53923638155 - 2³⁰ = 52849896331 is a prime.

It is a super-3 number, since 3×53923638155³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2145401 + ... + 2170389.

It is an arithmetic number, because the mean of its divisors is an integer number (2186125200).

Almost surely, 2^53923638155 is an apocalyptic number.

53923638155 is a deficient number, since it is larger than the sum of its proper divisors (16032368245).

53923638155 is a wasteful number, since it uses less digits than its factorization.

53923638155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25543.

The product of its digits is 2916000, while the sum is 50.

The spelling of 53923638155 in words is "fifty-three billion, nine hundred twenty-three million, six hundred thirty-eight thousand, one hundred fifty-five".