51626274 has 16 divisors (see below), whose sum is σ = 118003008. Its totient is φ = 14750352.

The previous prime is 51626269. The next prime is 51626279. The reversal of 51626274 is 47262615.

It is an interprime number because it is at equal distance from previous prime (51626269) and next prime (51626279).

It is not an unprimeable number, because it can be changed into a prime (51626279) 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, 614557 + ... + 614640.

It is an arithmetic number, because the mean of its divisors is an integer number (7375188).

Almost surely, 2^51626274 is an apocalyptic number.

51626274 is an abundant number, since it is smaller than the sum of its proper divisors (66376734).

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

51626274 is a wasteful number, since it uses less digits than its factorization.

51626274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229209.

The product of its digits is 20160, while the sum is 33.

The square root of 51626274 is about 7185.1425873117. The cubic root of 51626274 is about 372.3547748530.

Adding to 51626274 its reverse (47262615), we get a palindrome (98888889).

The spelling of 51626274 in words is "fifty-one million, six hundred twenty-six thousand, two hundred seventy-four".