52511013555 has 128 divisors (see below), whose sum is σ = 113808844800. Its totient is φ = 19965173760.

The previous prime is 52511013551. The next prime is 52511013559. The reversal of 52511013555 is 55531011525.

It is an interprime number because it is at equal distance from previous prime (52511013551) and next prime (52511013559).

It is not a de Polignac number, because 52511013555 - 2² = 52511013551 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 (52511013551) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1681221 + ... + 1712169.

It is an arithmetic number, because the mean of its divisors is an integer number (889131600).

Almost surely, 2^52511013555 is an apocalyptic number.

52511013555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52511013555 is an abundant number, since it is smaller than the sum of its proper divisors (61297831245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52511013555 is a wasteful number, since it uses less digits than its factorization.

52511013555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31101.

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

The spelling of 52511013555 in words is "fifty-two billion, five hundred eleven million, thirteen thousand, five hundred fifty-five".