51030520330 has 32 divisors (see below), whose sum is σ = 92129218560. Its totient is φ = 20351349120.

The previous prime is 51030520271. The next prime is 51030520339. The reversal of 51030520330 is 3302503015.

It is a happy number.

It is a super-2 number, since 2×51030520330² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51030520339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5041975 + ... + 5052085.

It is an arithmetic number, because the mean of its divisors is an integer number (2879038080).

Almost surely, 2^51030520330 is an apocalyptic number.

51030520330 is a deficient number, since it is larger than the sum of its proper divisors (41098698230).

51030520330 is a wasteful number, since it uses less digits than its factorization.

51030520330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11574.

The product of its (nonzero) digits is 1350, while the sum is 22.

The spelling of 51030520330 in words is "fifty-one billion, thirty million, five hundred twenty thousand, three hundred thirty".