56673318 has 32 divisors (see below), whose sum is σ = 122363136. Its totient is φ = 17395488.

The previous prime is 56673283. The next prime is 56673347. The reversal of 56673318 is 81337665.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49905 + ... + 51027.

It is an arithmetic number, because the mean of its divisors is an integer number (3823848).

Almost surely, 2^56673318 is an apocalyptic number.

56673318 is an abundant number, since it is smaller than the sum of its proper divisors (65689818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56673318 is a wasteful number, since it uses less digits than its factorization.

56673318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788.

The product of its digits is 90720, while the sum is 39.

The square root of 56673318 is about 7528.1683031133. The cubic root of 56673318 is about 384.1134782893.

The spelling of 56673318 in words is "fifty-six million, six hundred seventy-three thousand, three hundred eighteen".