51761626 has 16 divisors (see below), whose sum is σ = 88867584. Its totient is φ = 22150224.

The previous prime is 51761623. The next prime is 51761653. The reversal of 51761626 is 62616715.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51761591 and 51761600.

It is not an unprimeable number, because it can be changed into a prime (51761623) 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, 8431 + ... + 13213.

It is an arithmetic number, because the mean of its divisors is an integer number (5554224).

Almost surely, 2^51761626 is an apocalyptic number.

51761626 is a deficient number, since it is larger than the sum of its proper divisors (37105958).

51761626 is a wasteful number, since it uses less digits than its factorization.

51761626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565.

The product of its digits is 15120, while the sum is 34.

The square root of 51761626 is about 7194.5553024492. Note that the first 3 decimals coincide. The cubic root of 51761626 is about 372.6798998903.

The spelling of 51761626 in words is "fifty-one million, seven hundred sixty-one thousand, six hundred twenty-six".