51377092242 has 32 divisors (see below), whose sum is σ = 117440553984. Its totient is φ = 14678269200.

The previous prime is 51377092199. The next prime is 51377092297. The reversal of 51377092242 is 24229077315.

51377092242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 51377092194 and 51377092203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981267 + ... + 1032297.

It is an arithmetic number, because the mean of its divisors is an integer number (3670017312).

Almost surely, 2^51377092242 is an apocalyptic number.

51377092242 is an abundant number, since it is smaller than the sum of its proper divisors (66063461742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51377092242 is a wasteful number, since it uses less digits than its factorization.

51377092242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75014.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 51377092242 in words is "fifty-one billion, three hundred seventy-seven million, ninety-two thousand, two hundred forty-two".