51464116 has 24 divisors (see below), whose sum is σ = 98620704. Its totient is φ = 23304480.

The previous prime is 51464099. The next prime is 51464131. The reversal of 51464116 is 61146415.

It is a super-2 number, since 2×51464116² = 5297110471322912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10386 + ... + 14518.

It is an arithmetic number, because the mean of its divisors is an integer number (4109196).

Almost surely, 2^51464116 is an apocalyptic number.

It is an amenable number.

51464116 is a deficient number, since it is larger than the sum of its proper divisors (47156588).

51464116 is a wasteful number, since it uses less digits than its factorization.

51464116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431 (or 4429 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 51464116 is about 7173.8494547906. The cubic root of 51464116 is about 371.9645108164.

The spelling of 51464116 in words is "fifty-one million, four hundred sixty-four thousand, one hundred sixteen".