51553725423 has 8 divisors (see below), whose sum is σ = 68818512048. Its totient is φ = 34329044544.

The previous prime is 51553725413. The next prime is 51553725451. The reversal of 51553725423 is 32452735515.

It is a happy number.

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

It is not a de Polignac number, because 51553725423 - 2⁶ = 51553725359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51553725413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10023436 + ... + 10028577.

It is an arithmetic number, because the mean of its divisors is an integer number (8602314006).

Almost surely, 2^51553725423 is an apocalyptic number.

51553725423 is a deficient number, since it is larger than the sum of its proper divisors (17264786625).

51553725423 is a wasteful number, since it uses less digits than its factorization.

51553725423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20052873.

The product of its digits is 630000, while the sum is 42.

The spelling of 51553725423 in words is "fifty-one billion, five hundred fifty-three million, seven hundred twenty-five thousand, four hundred twenty-three".