51375214 has 16 divisors (see below), whose sum is σ = 86120496. Its totient is φ = 22782400.

The previous prime is 51375199. The next prime is 51375217. The reversal of 51375214 is 41257315.

It is a happy number.

It is a super-2 number, since 2×51375214² = 5278825227091592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27577 + ... + 29380.

It is an arithmetic number, because the mean of its divisors is an integer number (5382531).

Almost surely, 2^51375214 is an apocalyptic number.

51375214 is a deficient number, since it is larger than the sum of its proper divisors (34745282).

51375214 is a wasteful number, since it uses less digits than its factorization.

51375214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57011.

The product of its digits is 4200, while the sum is 28.

The square root of 51375214 is about 7167.6505216145. The cubic root of 51375214 is about 371.7502032483.

The spelling of 51375214 in words is "fifty-one million, three hundred seventy-five thousand, two hundred fourteen".