51244226277 has 8 divisors (see below), whose sum is σ = 69002126880. Its totient is φ = 33824571600.

The previous prime is 51244226269. The next prime is 51244226291. The reversal of 51244226277 is 77262244215.

It is a happy number.

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

It is not a de Polignac number, because 51244226277 - 2³ = 51244226269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51244226977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84561127 + ... + 84561732.

It is an arithmetic number, because the mean of its divisors is an integer number (8625265860).

Almost surely, 2^51244226277 is an apocalyptic number.

It is an amenable number.

51244226277 is a deficient number, since it is larger than the sum of its proper divisors (17757900603).

51244226277 is a wasteful number, since it uses less digits than its factorization.

51244226277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169122963.

The product of its digits is 376320, while the sum is 42.

The spelling of 51244226277 in words is "fifty-one billion, two hundred forty-four million, two hundred twenty-six thousand, two hundred seventy-seven".