52105311555 has 32 divisors (see below), whose sum is σ = 91271190528. Its totient is φ = 25173254400.

The previous prime is 52105311551. The next prime is 52105311649. The reversal of 52105311555 is 55511350125.

It is not a de Polignac number, because 52105311555 - 2² = 52105311551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52105311551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515539 + ... + 608268.

It is an arithmetic number, because the mean of its divisors is an integer number (2852224704).

Almost surely, 2^52105311555 is an apocalyptic number.

52105311555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52105311555 is a deficient number, since it is larger than the sum of its proper divisors (39165878973).

52105311555 is a wasteful number, since it uses less digits than its factorization.

52105311555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124107.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 52105311555 in words is "fifty-two billion, one hundred five million, three hundred eleven thousand, five hundred fifty-five".