51659628038 has 8 divisors (see below), whose sum is σ = 77490406488. Its totient is φ = 25829492544.

The previous prime is 51659628019. The next prime is 51659628043. The reversal of 51659628038 is 83082695615.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 234545 + ... + 397907.

It is an arithmetic number, because the mean of its divisors is an integer number (9686300811).

Almost surely, 2^51659628038 is an apocalyptic number.

51659628038 is a deficient number, since it is larger than the sum of its proper divisors (25830778450).

51659628038 is a wasteful number, since it uses less digits than its factorization.

51659628038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321478.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 51659628038 in words is "fifty-one billion, six hundred fifty-nine million, six hundred twenty-eight thousand, thirty-eight".