51414490 has 8 divisors (see below), whose sum is σ = 92546100. Its totient is φ = 20565792.

The previous prime is 51414481. The next prime is 51414491. The reversal of 51414490 is 9441415.

It can be written as a sum of positive squares in 2 ways, for example, as 46744569 + 4669921 = 6837^2 + 2161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51414491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570715 + ... + 2570734.

Almost surely, 2^51414490 is an apocalyptic number.

51414490 is a deficient number, since it is larger than the sum of its proper divisors (41131610).

51414490 is a wasteful number, since it uses less digits than its factorization.

51414490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141456.

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

The square root of 51414490 is about 7170.3898080927. The cubic root of 51414490 is about 371.8449126142.

The spelling of 51414490 in words is "fifty-one million, four hundred fourteen thousand, four hundred ninety".