51480003508 has 12 divisors (see below), whose sum is σ = 90101837700. Its totient is φ = 25736621312.

The previous prime is 51480003499. The next prime is 51480003527. The reversal of 51480003508 is 80530008415.

It can be written as a sum of positive squares in 2 ways, for example, as 20087959824 + 31392043684 = 141732^2 + 177178^2 .

It is a super-2 number, since 2×51480003508² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810691 + ... + 871882.

It is an arithmetic number, because the mean of its divisors is an integer number (7508486475).

Almost surely, 2^51480003508 is an apocalyptic number.

It is an amenable number.

51480003508 is a deficient number, since it is larger than the sum of its proper divisors (38621834192).

51480003508 is a wasteful number, since it uses less digits than its factorization.

51480003508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690226 (or 1690224 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 51480003508 in words is "fifty-one billion, four hundred eighty million, three thousand, five hundred eight".