51442414552 has 16 divisors (see below), whose sum is σ = 96457231440. Its totient is φ = 25720486176.

The previous prime is 51442414547. The next prime is 51442414553. The reversal of 51442414552 is 25541424415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51442414553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326133 + ... + 457435.

It is an arithmetic number, because the mean of its divisors is an integer number (6028576965).

Almost surely, 2^51442414552 is an apocalyptic number.

It is an amenable number.

51442414552 is a deficient number, since it is larger than the sum of its proper divisors (45014816888).

51442414552 is a wasteful number, since it uses less digits than its factorization.

51442414552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180282 (or 180278 counting only the distinct ones).

The product of its digits is 128000, while the sum is 37.

Adding to 51442414552 its reverse (25541424415), we get a palindrome (76983838967).

The spelling of 51442414552 in words is "fifty-one billion, four hundred forty-two million, four hundred fourteen thousand, five hundred fifty-two".