51550434998 has 8 divisors (see below), whose sum is σ = 79820028480. Its totient is φ = 24943758840.

The previous prime is 51550434983. The next prime is 51550435007. The reversal of 51550434998 is 89943405515.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415729253 + ... + 415729376.

It is an arithmetic number, because the mean of its divisors is an integer number (9977503560).

Almost surely, 2^51550434998 is an apocalyptic number.

51550434998 is a deficient number, since it is larger than the sum of its proper divisors (28269593482).

51550434998 is a wasteful number, since it uses less digits than its factorization.

51550434998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831458662.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 51550434998 in words is "fifty-one billion, five hundred fifty million, four hundred thirty-four thousand, nine hundred ninety-eight".