51149037 has 8 divisors (see below), whose sum is σ = 68269600. Its totient is φ = 34063920.

The previous prime is 51149027. The next prime is 51149041. The reversal of 51149037 is 73094115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51149037 - 2¹⁵ = 51116269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51148995 and 51149013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51149027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5287 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (8533700).

Almost surely, 2^51149037 is an apocalyptic number.

It is an amenable number.

51149037 is a deficient number, since it is larger than the sum of its proper divisors (17120563).

51149037 is a wasteful number, since it uses less digits than its factorization.

51149037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17723.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 51149037 is about 7151.8554935066. The cubic root of 51149037 is about 371.2038630328.

The spelling of 51149037 in words is "fifty-one million, one hundred forty-nine thousand, thirty-seven".