51534021298 has 8 divisors (see below), whose sum is σ = 77313322800. Its totient is φ = 25762913700.

The previous prime is 51534021251. The next prime is 51534021313. The reversal of 51534021298 is 89212043515.

It is a happy number.

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

It is a super-2 number, since 2×51534021298² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51534021298.

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, 2032728 + ... + 2057923.

It is an arithmetic number, because the mean of its divisors is an integer number (9664165350).

Almost surely, 2^51534021298 is an apocalyptic number.

51534021298 is a deficient number, since it is larger than the sum of its proper divisors (25779301502).

51534021298 is a wasteful number, since it uses less digits than its factorization.

51534021298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096952.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 51534021298 in words is "fifty-one billion, five hundred thirty-four million, twenty-one thousand, two hundred ninety-eight".