51362918 has 4 divisors (see below), whose sum is σ = 77044380. Its totient is φ = 25681458.

The previous prime is 51362917. The next prime is 51362923. The reversal of 51362918 is 81926315.

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 (51362911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12840728 + ... + 12840731.

It is an arithmetic number, because the mean of its divisors is an integer number (19261095).

Almost surely, 2^51362918 is an apocalyptic number.

51362918 is a deficient number, since it is larger than the sum of its proper divisors (25681462).

51362918 is a wasteful number, since it uses less digits than its factorization.

51362918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25681461.

The product of its digits is 12960, while the sum is 35.

The square root of 51362918 is about 7166.7927275735. The cubic root of 51362918 is about 371.7205429974.

The spelling of 51362918 in words is "fifty-one million, three hundred sixty-two thousand, nine hundred eighteen".