52021220455 has 32 divisors (see below), whose sum is σ = 64793131200. Its totient is φ = 40067174400.

The previous prime is 52021220441. The next prime is 52021220477. The reversal of 52021220455 is 55402212025.

52021220455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52021220455 - 2¹³ = 52021212263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10378900 + ... + 10383910.

It is an arithmetic number, because the mean of its divisors is an integer number (2024785350).

Almost surely, 2^52021220455 is an apocalyptic number.

52021220455 is a deficient number, since it is larger than the sum of its proper divisors (12771910745).

52021220455 is a wasteful number, since it uses less digits than its factorization.

52021220455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 52021220455 in words is "fifty-two billion, twenty-one million, two hundred twenty thousand, four hundred fifty-five".