51628695 has 8 divisors (see below), whose sum is σ = 82605936. Its totient is φ = 27535296.

The previous prime is 51628693. The next prime is 51628723. The reversal of 51628695 is 59682615.

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

It is not a de Polignac number, because 51628695 - 2¹ = 51628693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51628691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720942 + ... + 1720971.

It is an arithmetic number, because the mean of its divisors is an integer number (10325742).

Almost surely, 2^51628695 is an apocalyptic number.

51628695 is a deficient number, since it is larger than the sum of its proper divisors (30977241).

51628695 is a wasteful number, since it uses less digits than its factorization.

51628695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441921.

The product of its digits is 129600, while the sum is 42.

The square root of 51628695 is about 7185.3110579849. The cubic root of 51628695 is about 372.3605952538.

The spelling of 51628695 in words is "fifty-one million, six hundred twenty-eight thousand, six hundred ninety-five".