51853622294 has 4 divisors (see below), whose sum is σ = 77780433444. Its totient is φ = 25926811146.

The previous prime is 51853622279. The next prime is 51853622341. The reversal of 51853622294 is 49222635815.

51853622294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12963405572 + ... + 12963405575.

It is an arithmetic number, because the mean of its divisors is an integer number (19445108361).

Almost surely, 2^51853622294 is an apocalyptic number.

51853622294 is a deficient number, since it is larger than the sum of its proper divisors (25926811150).

51853622294 is a wasteful number, since it uses less digits than its factorization.

51853622294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25926811149.

The product of its digits is 1036800, while the sum is 47.

The spelling of 51853622294 in words is "fifty-one billion, eight hundred fifty-three million, six hundred twenty-two thousand, two hundred ninety-four".