51227079556 has 9 divisors (see below), whose sum is σ = 89648181399. Its totient is φ = 25613313444.

The previous prime is 51227079517. The next prime is 51227079601. The reversal of 51227079556 is 65597072215.

The square root of 51227079556 is 226334.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×51227079556³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 396085 + ... + 509251.

Almost surely, 2^51227079556 is an apocalyptic number.

51227079556 is the 226334-th square number.

It is an amenable number.

51227079556 is a deficient number, since it is larger than the sum of its proper divisors (38421101843).

51227079556 is an frugal number, since it uses more digits than its factorization.

51227079556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226338 (or 113169 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 49.

Multiplying 51227079556 by its sum of digits (49), we get a square (2510126898244 = 1584338²).

The spelling of 51227079556 in words is "fifty-one billion, two hundred twenty-seven million, seventy-nine thousand, five hundred fifty-six".