51456423337 has 6 divisors (see below), whose sum is σ = 56559539834. Its totient is φ = 46778566560.

The previous prime is 51456423323. The next prime is 51456423341. The reversal of 51456423337 is 73332465415.

It can be written as a sum of positive squares in only one way, i.e., 49451085376 + 2005337961 = 222376^2 + 44781^2 .

It is not a de Polignac number, because 51456423337 - 2¹⁹ = 51455899049 is a prime.

It is a super-3 number, since 3×51456423337³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51456423293 and 51456423302.

It is not an unprimeable number, because it can be changed into a prime (51456423037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212629728 + ... + 212629969.

Almost surely, 2^51456423337 is an apocalyptic number.

It is an amenable number.

51456423337 is a deficient number, since it is larger than the sum of its proper divisors (5103116497).

51456423337 is a wasteful number, since it uses less digits than its factorization.

51456423337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425259719 (or 425259708 counting only the distinct ones).

The product of its digits is 907200, while the sum is 43.

The spelling of 51456423337 in words is "fifty-one billion, four hundred fifty-six million, four hundred twenty-three thousand, three hundred thirty-seven".