51140514 has 64 divisors (see below), whose sum is σ = 115200000. Its totient is φ = 15059520.

The previous prime is 51140491. The next prime is 51140563. The reversal of 51140514 is 41504115.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102237 + ... + 102735.

It is an arithmetic number, because the mean of its divisors is an integer number (1800000).

Almost surely, 2^51140514 is an apocalyptic number.

51140514 is an abundant number, since it is smaller than the sum of its proper divisors (64059486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51140514 is a wasteful number, since it uses less digits than its factorization.

51140514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 51140514 is about 7151.2596093276. The cubic root of 51140514 is about 371.1832439006.

Adding to 51140514 its reverse (41504115), we get a palindrome (92644629).

The spelling of 51140514 in words is "fifty-one million, one hundred forty thousand, five hundred fourteen".