51622634 has 16 divisors (see below), whose sum is σ = 88732800. Its totient is φ = 22064784.

The previous prime is 51622633. The next prime is 51622643. The reversal of 51622634 is 43622615.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51622597 and 51622606.

It is not an unprimeable number, because it can be changed into a prime (51622633) 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, 707 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (5545800).

Almost surely, 2^51622634 is an apocalyptic number.

51622634 is a deficient number, since it is larger than the sum of its proper divisors (37110166).

51622634 is a wasteful number, since it uses less digits than its factorization.

51622634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877.

The product of its digits is 8640, while the sum is 29.

The square root of 51622634 is about 7184.8892823759. The cubic root of 51622634 is about 372.3460234743.

The spelling of 51622634 in words is "fifty-one million, six hundred twenty-two thousand, six hundred thirty-four".