51006626 has 8 divisors (see below), whose sum is σ = 83465424. Its totient is φ = 23184820.

The previous prime is 51006623. The next prime is 51006653. The reversal of 51006626 is 62660015.

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

It is a junction number, because it is equal to n+sod(n) for n = 51006595 and 51006604.

It is not an unprimeable number, because it can be changed into a prime (51006623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159220 + ... + 1159263.

It is an arithmetic number, because the mean of its divisors is an integer number (10433178).

Almost surely, 2^51006626 is an apocalyptic number.

51006626 is a deficient number, since it is larger than the sum of its proper divisors (32458798).

51006626 is a wasteful number, since it uses less digits than its factorization.

51006626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318496.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51006626 is about 7141.8923262676. The cubic root of 51006626 is about 370.8590363982.

The spelling of 51006626 in words is "fifty-one million, six thousand, six hundred twenty-six".