53432215155 has 144 divisors (see below), whose sum is σ = 103409193888. Its totient is φ = 25501132800.

The previous prime is 53432215129. The next prime is 53432215219. The reversal of 53432215155 is 55151223435.

53432215155 is a `hidden beast` number, since 5 + 3 + 432 + 215 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 53432215155 - 2⁶ = 53432215091 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 123399819 + ... + 123400251.

It is an arithmetic number, because the mean of its divisors is an integer number (718119402).

Almost surely, 2^53432215155 is an apocalyptic number.

53432215155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53432215155 is a deficient number, since it is larger than the sum of its proper divisors (49976978733).

53432215155 is a wasteful number, since it uses less digits than its factorization.

53432215155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 756 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 53432215155 in words is "fifty-three billion, four hundred thirty-two million, two hundred fifteen thousand, one hundred fifty-five".