51463746 has 12 divisors (see below), whose sum is σ = 111504822. Its totient is φ = 17154576.

The previous prime is 51463739. The next prime is 51463747. The reversal of 51463746 is 64736415.

It is a happy number.

51463746 is a `hidden beast` number, since 5 + 14 + 637 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45037521 + 6426225 = 6711^2 + 2535^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51463746.

It is not an unprimeable number, because it can be changed into a prime (51463747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1429531 + ... + 1429566.

Almost surely, 2^51463746 is an apocalyptic number.

51463746 is an abundant number, since it is smaller than the sum of its proper divisors (60041076).

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

51463746 is a wasteful number, since it uses less digits than its factorization.

51463746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859105 (or 2859102 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 51463746 is about 7173.8236666369. The cubic root of 51463746 is about 371.9636194044.

The spelling of 51463746 in words is "fifty-one million, four hundred sixty-three thousand, seven hundred forty-six".