51020542201 has 16 divisors (see below), whose sum is σ = 53141940864. Its totient is φ = 48938857344.

The previous prime is 51020542159. The next prime is 51020542211. The reversal of 51020542201 is 10224502015.

It is a cyclic number.

It is not a de Polignac number, because 51020542201 - 2¹⁵ = 51020509433 is a prime.

It is a super-5 number, since 5×51020542201⁵ (a number of 55 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (51020542211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10269420 + ... + 10274386.

It is an arithmetic number, because the mean of its divisors is an integer number (3321371304).

Almost surely, 2^51020542201 is an apocalyptic number.

It is an amenable number.

51020542201 is a deficient number, since it is larger than the sum of its proper divisors (2121398663).

51020542201 is a wasteful number, since it uses less digits than its factorization.

51020542201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880.

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 51020542201 in words is "fifty-one billion, twenty million, five hundred forty-two thousand, two hundred one".