51090797410 has 32 divisors (see below), whose sum is σ = 94597527024. Its totient is φ = 19855104000.

The previous prime is 51090797393. The next prime is 51090797411. The reversal of 51090797410 is 1479709015.

It can be written as a sum of positive squares in 8 ways, for example, as 33479118729 + 17611678681 = 182973^2 + 132709^2 .

It is a super-2 number, since 2×51090797410² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51090797411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159721 + ... + 357340.

Almost surely, 2^51090797410 is an apocalyptic number.

51090797410 is a deficient number, since it is larger than the sum of its proper divisors (43506729614).

51090797410 is a wasteful number, since it uses less digits than its factorization.

51090797410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517350.

The product of its (nonzero) digits is 79380, while the sum is 43.

The spelling of 51090797410 in words is "fifty-one billion, ninety million, seven hundred ninety-seven thousand, four hundred ten".