51503230455 has 8 divisors (see below), whose sum is σ = 82405168752. Its totient is φ = 27468389568.

The previous prime is 51503230453. The next prime is 51503230459. The reversal of 51503230455 is 55403230515.

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 51503230455 - 2¹ = 51503230453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51503230451) 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, 1716774334 + ... + 1716774363.

It is an arithmetic number, because the mean of its divisors is an integer number (10300646094).

Almost surely, 2^51503230455 is an apocalyptic number.

51503230455 is a deficient number, since it is larger than the sum of its proper divisors (30901938297).

51503230455 is a wasteful number, since it uses less digits than its factorization.

51503230455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433548705.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 51503230455 in words is "fifty-one billion, five hundred three million, two hundred thirty thousand, four hundred fifty-five".