51133520330 has 16 divisors (see below), whose sum is σ = 93149257824. Its totient is φ = 20206981200.

The previous prime is 51133520323. The next prime is 51133520371. The reversal of 51133520330 is 3302533115.

It is a super-2 number, since 2×51133520330² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51133520330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30802496 + ... + 30804155.

It is an arithmetic number, because the mean of its divisors is an integer number (5821828614).

Almost surely, 2^51133520330 is an apocalyptic number.

51133520330 is a deficient number, since it is larger than the sum of its proper divisors (42015737494).

51133520330 is a wasteful number, since it uses less digits than its factorization.

51133520330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61606741.

The product of its (nonzero) digits is 4050, while the sum is 26.

The spelling of 51133520330 in words is "fifty-one billion, one hundred thirty-three million, five hundred twenty thousand, three hundred thirty".