51125414554 has 8 divisors (see below), whose sum is σ = 76711377600. Its totient is φ = 25554955356.

The previous prime is 51125414533. The next prime is 51125414597. The reversal of 51125414554 is 45541452115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51125414554² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3867714 + ... + 3880909.

It is an arithmetic number, because the mean of its divisors is an integer number (9588922200).

Almost surely, 2^51125414554 is an apocalyptic number.

51125414554 is a deficient number, since it is larger than the sum of its proper divisors (25585963046).

51125414554 is a wasteful number, since it uses less digits than its factorization.

51125414554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7751924.

The product of its digits is 80000, while the sum is 37.

Adding to 51125414554 its reverse (45541452115), we get a palindrome (96666866669).

The spelling of 51125414554 in words is "fifty-one billion, one hundred twenty-five million, four hundred fourteen thousand, five hundred fifty-four".