51945882 has 16 divisors (see below), whose sum is σ = 105144480. Its totient is φ = 17106512.

The previous prime is 51945877. The next prime is 51945889. The reversal of 51945882 is 28854915.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51945889) 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 7 ways as a sum of consecutive naturals, for example, 51657 + ... + 52652.

It is an arithmetic number, because the mean of its divisors is an integer number (6571530).

Almost surely, 2^51945882 is an apocalyptic number.

51945882 is an abundant number, since it is smaller than the sum of its proper divisors (53198598).

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

51945882 is a wasteful number, since it uses less digits than its factorization.

51945882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104397.

The product of its digits is 115200, while the sum is 42.

The square root of 51945882 is about 7207.3491659555. The cubic root of 51945882 is about 373.1215860959.

The spelling of 51945882 in words is "fifty-one million, nine hundred forty-five thousand, eight hundred eighty-two".