51503230355 has 8 divisors (see below), whose sum is σ = 64491001632. Its totient is φ = 39411167488.

The previous prime is 51503230351. The next prime is 51503230393. The reversal of 51503230355 is 55303230515.

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

It is a cyclic number.

It is not a de Polignac number, because 51503230355 - 2² = 51503230351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51503230351) 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, 223926974 + ... + 223927203.

It is an arithmetic number, because the mean of its divisors is an integer number (8061375204).

Almost surely, 2^51503230355 is an apocalyptic number.

51503230355 is a deficient number, since it is larger than the sum of its proper divisors (12987771277).

51503230355 is a wasteful number, since it uses less digits than its factorization.

51503230355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447854205.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 51503230355 in words is "fifty-one billion, five hundred three million, two hundred thirty thousand, three hundred fifty-five".