51266252 has 12 divisors (see below), whose sum is σ = 89766096. Its totient is φ = 25618800.

The previous prime is 51266251. The next prime is 51266261. The reversal of 51266252 is 25266215.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51266251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12002 + ... + 15702.

It is an arithmetic number, because the mean of its divisors is an integer number (7480508).

Almost surely, 2^51266252 is an apocalyptic number.

It is an amenable number.

51266252 is a deficient number, since it is larger than the sum of its proper divisors (38499844).

51266252 is a wasteful number, since it uses less digits than its factorization.

51266252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7168 (or 7166 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 51266252 is about 7160.0455305815. The cubic root of 51266252 is about 371.4872014802.

The spelling of 51266252 in words is "fifty-one million, two hundred sixty-six thousand, two hundred fifty-two".