51880422226 has 4 divisors (see below), whose sum is σ = 77820633342. Its totient is φ = 25940211112.

The previous prime is 51880422137. The next prime is 51880422229. The reversal of 51880422226 is 62222408815.

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

It can be written as a sum of positive squares in only one way, i.e., 51596668201 + 283754025 = 227149^2 + 16845^2 .

It is not an unprimeable number, because it can be changed into a prime (51880422229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12970105555 + ... + 12970105558.

Almost surely, 2^51880422226 is an apocalyptic number.

51880422226 is a deficient number, since it is larger than the sum of its proper divisors (25940211116).

51880422226 is a wasteful number, since it uses less digits than its factorization.

51880422226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25940211115.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 51880422226 in words is "fifty-one billion, eight hundred eighty million, four hundred twenty-two thousand, two hundred twenty-six".