51626130 has 32 divisors (see below), whose sum is σ = 125938368. Its totient is φ = 13540800.

The previous prime is 51626123. The next prime is 51626143. The reversal of 51626130 is 3162615.

It is a self number, because there is not a number n which added to its sum of digits gives 51626130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12276 + ... + 15935.

It is an arithmetic number, because the mean of its divisors is an integer number (3935574).

Almost surely, 2^51626130 is an apocalyptic number.

51626130 is an abundant number, since it is smaller than the sum of its proper divisors (74312238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51626130 is a wasteful number, since it uses less digits than its factorization.

51626130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28282.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51626130 is about 7185.1325666267. The cubic root of 51626130 is about 372.3544286525.

Adding to 51626130 its reverse (3162615), we get a palindrome (54788745).

The spelling of 51626130 in words is "fifty-one million, six hundred twenty-six thousand, one hundred thirty".