51403042 has 8 divisors (see below), whose sum is σ = 78411600. Its totient is φ = 25265844.

The previous prime is 51403039. The next prime is 51403073. The reversal of 51403042 is 24030415.

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

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, 217692 + ... + 217927.

It is an arithmetic number, because the mean of its divisors is an integer number (9801450).

Almost surely, 2^51403042 is an apocalyptic number.

51403042 is a deficient number, since it is larger than the sum of its proper divisors (27008558).

51403042 is a wasteful number, since it uses less digits than its factorization.

51403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435680.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51403042 is about 7169.5914806912. The cubic root of 51403042 is about 371.8173121164.

Adding to 51403042 its reverse (24030415), we get a palindrome (75433457).

The spelling of 51403042 in words is "fifty-one million, four hundred three thousand, forty-two".