51939332230 has 32 divisors (see below), whose sum is σ = 97098789888. Its totient is φ = 19982181600.

The previous prime is 51939332227. The next prime is 51939332231. The reversal of 51939332230 is 3223393915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51939332231) 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, 463416 + ... + 564475.

It is an arithmetic number, because the mean of its divisors is an integer number (3034337184).

Almost surely, 2^51939332230 is an apocalyptic number.

51939332230 is a deficient number, since it is larger than the sum of its proper divisors (45159457658).

51939332230 is a wasteful number, since it uses less digits than its factorization.

51939332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028092.

The product of its (nonzero) digits is 131220, while the sum is 40.

The spelling of 51939332230 in words is "fifty-one billion, nine hundred thirty-nine million, three hundred thirty-two thousand, two hundred thirty".