52520440155 has 16 divisors (see below), whose sum is σ = 85986954240. Its totient is φ = 27359484768.

The previous prime is 52520440103. The next prime is 52520440199. The reversal of 52520440155 is 55104402525.

It is not a de Polignac number, because 52520440155 - 2¹³ = 52520431963 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40712875 + ... + 40714164.

It is an arithmetic number, because the mean of its divisors is an integer number (5374184640).

Almost surely, 2^52520440155 is an apocalyptic number.

52520440155 is a deficient number, since it is larger than the sum of its proper divisors (33466514085).

52520440155 is a wasteful number, since it uses less digits than its factorization.

52520440155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81427090.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 52520440155 in words is "fifty-two billion, five hundred twenty million, four hundred forty thousand, one hundred fifty-five".