51446036 has 12 divisors (see below), whose sum is σ = 90113940. Its totient is φ = 25699200.

The previous prime is 51446023. The next prime is 51446051. The reversal of 51446036 is 63064415.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21808900 + 29637136 = 4670^2 + 5444^2 .

It is a super-2 number, since 2×51446036² = 5293389240226592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551 + ... + 10158.

It is an arithmetic number, because the mean of its divisors is an integer number (7509495).

Almost surely, 2^51446036 is an apocalyptic number.

It is an amenable number.

51446036 is a deficient number, since it is larger than the sum of its proper divisors (38667904).

51446036 is a wasteful number, since it uses less digits than its factorization.

51446036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914 (or 11912 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 51446036 is about 7172.5892117143. The cubic root of 51446036 is about 371.9209470898.

The spelling of 51446036 in words is "fifty-one million, four hundred forty-six thousand, thirty-six".