51037893 has 12 divisors (see below), whose sum is σ = 78058188. Its totient is φ = 32023680.

The previous prime is 51037841. The next prime is 51037937. The reversal of 51037893 is 39873015.

It can be written as a sum of positive squares in 2 ways, for example, as 41563809 + 9474084 = 6447^2 + 3078^2 .

It is not a de Polignac number, because 51037893 - 2²¹ = 48940741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51037813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166638 + ... + 166943.

It is an arithmetic number, because the mean of its divisors is an integer number (6504849).

Almost surely, 2^51037893 is an apocalyptic number.

It is an amenable number.

51037893 is a deficient number, since it is larger than the sum of its proper divisors (27020295).

51037893 is a wasteful number, since it uses less digits than its factorization.

51037893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333604 (or 333601 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 51037893 is about 7144.0809765847. The cubic root of 51037893 is about 370.9347996329.

It can be divided in two parts, 5103 and 7893, that added together give a square (12996 = 114²).

The spelling of 51037893 in words is "fifty-one million, thirty-seven thousand, eight hundred ninety-three".