51630700030 has 32 divisors (see below), whose sum is σ = 114381860544. Its totient is φ = 16340265216.

The previous prime is 51630700013. The next prime is 51630700031. The reversal of 51630700030 is 3000703615.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51630699968 and 51630700004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51630700031) 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, 28367607 + ... + 28369426.

It is an arithmetic number, because the mean of its divisors is an integer number (3574433142).

Almost surely, 2^51630700030 is an apocalyptic number.

51630700030 is an abundant number, since it is smaller than the sum of its proper divisors (62751160514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51630700030 is a wasteful number, since it uses less digits than its factorization.

51630700030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56737060.

The product of its (nonzero) digits is 1890, while the sum is 25.

The spelling of 51630700030 in words is "fifty-one billion, six hundred thirty million, seven hundred thousand, thirty".