51552142201 has 64 divisors (see below), whose sum is σ = 66210213888. Its totient is φ = 39103561728.

The previous prime is 51552142181. The next prime is 51552142211. The reversal of 51552142201 is 10224125515.

It is not a de Polignac number, because 51552142201 - 2¹⁷ = 51552011129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51552142201.

It is not an unprimeable number, because it can be changed into a prime (51552142211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58382506 + ... + 58383388.

It is an arithmetic number, because the mean of its divisors is an integer number (1034534592).

Almost surely, 2^51552142201 is an apocalyptic number.

It is an amenable number.

51552142201 is a deficient number, since it is larger than the sum of its proper divisors (14658071687).

51552142201 is a wasteful number, since it uses less digits than its factorization.

51552142201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 51552142201 its reverse (10224125515), we get a palindrome (61776267716).

It can be divided in two parts, 51552 and 142201, that added together give a triangular number (193753 = T₆₂₂).

The spelling of 51552142201 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-two thousand, two hundred one".