51402014 has 4 divisors (see below), whose sum is σ = 77103024. Its totient is φ = 25701006.

The previous prime is 51401993. The next prime is 51402017. The reversal of 51402014 is 41020415.

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

It is a junction number, because it is equal to n+sod(n) for n = 51401983 and 51402001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51402017) 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 as a sum of consecutive naturals, namely, 12850502 + ... + 12850505.

It is an arithmetic number, because the mean of its divisors is an integer number (19275756).

Almost surely, 2^51402014 is an apocalyptic number.

51402014 is a deficient number, since it is larger than the sum of its proper divisors (25701010).

51402014 is a wasteful number, since it uses less digits than its factorization.

51402014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25701009.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 51402014 is about 7169.5197886609. The cubic root of 51402014 is about 371.8148334645.

Adding to 51402014 its reverse (41020415), we get a palindrome (92422429).

The spelling of 51402014 in words is "fifty-one million, four hundred two thousand, fourteen".