51140758 has 4 divisors (see below), whose sum is σ = 76711140. Its totient is φ = 25570378.

The previous prime is 51140737. The next prime is 51140767. The reversal of 51140758 is 85704115.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×51140758³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12785188 + ... + 12785191.

It is an arithmetic number, because the mean of its divisors is an integer number (19177785).

Almost surely, 2^51140758 is an apocalyptic number.

51140758 is a deficient number, since it is larger than the sum of its proper divisors (25570382).

51140758 is a wasteful number, since it uses less digits than its factorization.

51140758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25570381.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 51140758 is about 7151.2766692389. The cubic root of 51140758 is about 371.1838342256.

The spelling of 51140758 in words is "fifty-one million, one hundred forty thousand, seven hundred fifty-eight".