51140757 has 16 divisors (see below), whose sum is σ = 69180480. Its totient is φ = 33601152.

The previous prime is 51140737. The next prime is 51140767. The reversal of 51140757 is 75704115.

It is not a de Polignac number, because 51140757 - 2¹⁴ = 51124373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51140737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100219 + ... + 100727.

It is an arithmetic number, because the mean of its divisors is an integer number (4323780).

Almost surely, 2^51140757 is an apocalyptic number.

It is an amenable number.

51140757 is a deficient number, since it is larger than the sum of its proper divisors (18039723).

51140757 is a wasteful number, since it uses less digits than its factorization.

51140757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 51140757 is about 7151.2765993213. The cubic root of 51140757 is about 371.1838318062.

The spelling of 51140757 in words is "fifty-one million, one hundred forty thousand, seven hundred fifty-seven".