51906014 has 4 divisors (see below), whose sum is σ = 77859024. Its totient is φ = 25953006.

The previous prime is 51906013. The next prime is 51906061. The reversal of 51906014 is 41060915.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51906013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12976502 + ... + 12976505.

It is an arithmetic number, because the mean of its divisors is an integer number (19464756).

Almost surely, 2^51906014 is an apocalyptic number.

51906014 is a deficient number, since it is larger than the sum of its proper divisors (25953010).

51906014 is a wasteful number, since it uses less digits than its factorization.

51906014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25953009.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 51906014 is about 7204.5828470495. The cubic root of 51906014 is about 373.0261058379.

Adding to 51906014 its reverse (41060915), we get a palindrome (92966929).

The spelling of 51906014 in words is "fifty-one million, nine hundred six thousand, fourteen".