51552143454 has 32 divisors (see below), whose sum is σ = 117925436160. Its totient is φ = 14717688192.

The previous prime is 51552143453. The next prime is 51552143507. The reversal of 51552143454 is 45434125515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552143453) 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, 424459 + ... + 532230.

It is an arithmetic number, because the mean of its divisors is an integer number (3685169880).

Almost surely, 2^51552143454 is an apocalyptic number.

51552143454 is an abundant number, since it is smaller than the sum of its proper divisors (66373292706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51552143454 is a wasteful number, since it uses less digits than its factorization.

51552143454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957984.

The product of its digits is 240000, while the sum is 39.

Adding to 51552143454 its reverse (45434125515), we get a palindrome (96986268969).

The spelling of 51552143454 in words is "fifty-one billion, five hundred fifty-two million, one hundred forty-three thousand, four hundred fifty-four".