53105551155 has 64 divisors (see below), whose sum is σ = 95477760000. Its totient is φ = 28004351616.

The previous prime is 53105551117. The next prime is 53105551157. The reversal of 53105551155 is 55115550135.

53105551155 is a `hidden beast` number, since 53 + 1 + 0 + 5 + 551 + 1 + 55 = 666.

It is not a de Polignac number, because 53105551155 - 2⁶ = 53105551091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53105551157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4479726 + ... + 4491564.

It is an arithmetic number, because the mean of its divisors is an integer number (1491840000).

Almost surely, 2^53105551155 is an apocalyptic number.

53105551155 is a deficient number, since it is larger than the sum of its proper divisors (42372208845).

53105551155 is a wasteful number, since it uses less digits than its factorization.

53105551155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225 (or 12219 counting only the distinct ones).

The product of its (nonzero) digits is 46875, while the sum is 36.

The spelling of 53105551155 in words is "fifty-three billion, one hundred five million, five hundred fifty-one thousand, one hundred fifty-five".