51400514 has 16 divisors (see below), whose sum is σ = 84446496. Its totient is φ = 23270400.

The previous prime is 51400507. The next prime is 51400577. The reversal of 51400514 is 41500415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (5277906).

Almost surely, 2^51400514 is an apocalyptic number.

51400514 is a deficient number, since it is larger than the sum of its proper divisors (33045982).

51400514 is a wasteful number, since it uses less digits than its factorization.

51400514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 51400514 is about 7169.4151783810. The cubic root of 51400514 is about 371.8112166952.

Adding to 51400514 its reverse (41500415), we get a palindrome (92900929).

Subtracting from 51400514 its reverse (41500415), we obtain a palindrome (9900099).

It can be divided in two parts, 51400 and 514, that multiplied together give a square (26419600 = 5140²).

The spelling of 51400514 in words is "fifty-one million, four hundred thousand, five hundred fourteen".