56667228390 has 48 divisors (see below), whose sum is σ = 147346570800. Its totient is φ = 15110053056.

The previous prime is 56667228383. The next prime is 56667228413. The reversal of 56667228390 is 9382276665.

It is a super-2 number, since 2×56667228390² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2080681 + ... + 2107739.

It is an arithmetic number, because the mean of its divisors is an integer number (3069720225).

Almost surely, 2^56667228390 is an apocalyptic number.

56667228390 is an abundant number, since it is smaller than the sum of its proper divisors (90679342410).

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

56667228390 is a wasteful number, since it uses less digits than its factorization.

56667228390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50341 (or 50338 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 56667228390 in words is "fifty-six billion, six hundred sixty-seven million, two hundred twenty-eight thousand, three hundred ninety".