51626052 has 96 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 16473600.

The previous prime is 51626039. The next prime is 51626077. The reversal of 51626052 is 25062615.

51626052 is a `hidden beast` number, since 51 + 6 + 2 + 605 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394027 + ... + 394157.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 2^51626052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51626052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69854400).

51626052 is an abundant number, since it is smaller than the sum of its proper divisors (88082748).

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

51626052 is a wasteful number, since it uses less digits than its factorization.

51626052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 51626052 is about 7185.1271387499. The cubic root of 51626052 is about 372.3542411269.

Adding to 51626052 its reverse (25062615), we get a palindrome (76688667).

The spelling of 51626052 in words is "fifty-one million, six hundred twenty-six thousand, fifty-two".