51142245553 has 12 divisors (see below), whose sum is σ = 59499390720. Its totient is φ = 43830764712.

The previous prime is 51142245529. The next prime is 51142245593. The reversal of 51142245553 is 35554224115.

51142245553 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 51142245553 - 2¹³ = 51142237361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51142245523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362008 + ... + 483046.

It is an arithmetic number, because the mean of its divisors is an integer number (4958282560).

Almost surely, 2^51142245553 is an apocalyptic number.

It is an amenable number.

51142245553 is a deficient number, since it is larger than the sum of its proper divisors (8357145167).

51142245553 is a wasteful number, since it uses less digits than its factorization.

51142245553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129676 (or 129669 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

Adding to 51142245553 its reverse (35554224115), we get a palindrome (86696469668).

The spelling of 51142245553 in words is "fifty-one billion, one hundred forty-two million, two hundred forty-five thousand, five hundred fifty-three".