51036478 has 8 divisors (see below), whose sum is σ = 79024320. Its totient is φ = 24695040.

The previous prime is 51036467. The next prime is 51036481. The reversal of 51036478 is 87463015.

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

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, 411523 + ... + 411646.

It is an arithmetic number, because the mean of its divisors is an integer number (9878040).

Almost surely, 2^51036478 is an apocalyptic number.

51036478 is a deficient number, since it is larger than the sum of its proper divisors (27987842).

51036478 is a wasteful number, since it uses less digits than its factorization.

51036478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823202.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 51036478 is about 7143.9819428663. The cubic root of 51036478 is about 370.9313716074.

The spelling of 51036478 in words is "fifty-one million, thirty-six thousand, four hundred seventy-eight".