51418208 has 24 divisors (see below), whose sum is σ = 102182472. Its totient is φ = 25467136.

The previous prime is 51418193. The next prime is 51418219. The reversal of 51418208 is 80281415.

It is a super-2 number, since 2×51418208² = 5287664227862528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4085 + ... + 10932.

It is an arithmetic number, because the mean of its divisors is an integer number (4257603).

Almost surely, 2^51418208 is an apocalyptic number.

It is an amenable number.

51418208 is a deficient number, since it is larger than the sum of its proper divisors (50764264).

51418208 is a wasteful number, since it uses less digits than its factorization.

51418208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134 (or 15126 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 51418208 is about 7170.6490640667. The cubic root of 51418208 is about 371.8538756261.

The spelling of 51418208 in words is "fifty-one million, four hundred eighteen thousand, two hundred eight".