51156044 has 12 divisors (see below), whose sum is σ = 89633544. Its totient is φ = 25546464.

The previous prime is 51156023. The next prime is 51156067. The reversal of 51156044 is 44065115.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4034 + ... + 10889.

It is an arithmetic number, because the mean of its divisors is an integer number (7469462).

Almost surely, 2^51156044 is an apocalyptic number.

It is an amenable number.

51156044 is a deficient number, since it is larger than the sum of its proper divisors (38477500).

51156044 is a wasteful number, since it uses less digits than its factorization.

51156044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15784 (or 15782 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51156044 is about 7152.3453496039. The cubic root of 51156044 is about 371.2208128906.

The spelling of 51156044 in words is "fifty-one million, one hundred fifty-six thousand, forty-four".