51446492 has 12 divisors (see below), whose sum is σ = 93945936. Its totient is φ = 24604800.

The previous prime is 51446491. The next prime is 51446501. The reversal of 51446492 is 29464415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51446491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279509 + ... + 279692.

It is an arithmetic number, because the mean of its divisors is an integer number (7828828).

Almost surely, 2^51446492 is an apocalyptic number.

It is an amenable number.

51446492 is a deficient number, since it is larger than the sum of its proper divisors (42499444).

51446492 is a wasteful number, since it uses less digits than its factorization.

51446492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559228 (or 559226 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 51446492 is about 7172.6209993279. The cubic root of 51446492 is about 371.9220459464.

The spelling of 51446492 in words is "fifty-one million, four hundred forty-six thousand, four hundred ninety-two".