51044697 has 36 divisors (see below), whose sum is σ = 85343440. Its totient is φ = 29296080.

The previous prime is 51044681. The next prime is 51044701. The reversal of 51044697 is 79644015.

It is not a de Polignac number, because 51044697 - 2⁴ = 51044681 is a prime.

It is a super-2 number, since 2×51044697² = 5211122183643618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51044627) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19458 + ... + 21924.

Almost surely, 2^51044697 is an apocalyptic number.

51044697 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

51044697 is a deficient number, since it is larger than the sum of its proper divisors (34298743).

51044697 is a wasteful number, since it uses less digits than its factorization.

51044697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 51044697 is about 7144.5571591247. The cubic root of 51044697 is about 370.9512823420.

It can be divided in two parts, 5104 and 4697, that added together give a square (9801 = 99²).

The spelling of 51044697 in words is "fifty-one million, forty-four thousand, six hundred ninety-seven".