56150000 has 60 divisors (see below), whose sum is σ = 136100664. Its totient is φ = 22440000.

The previous prime is 56149991. The next prime is 56150047. The reversal of 56150000 is 5165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49439 + ... + 50561.

Almost surely, 2^56150000 is an apocalyptic number.

56150000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68050332).

56150000 is an abundant number, since it is smaller than the sum of its proper divisors (79950664).

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

56150000 is an equidigital number, since it uses as much as digits as its factorization.

56150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 56150000 is about 7493.3303677337. The cubic root of 56150000 is about 382.9275268662.

Adding to 56150000 its reverse (5165), we get a palindrome (56155165).

The spelling of 56150000 in words is "fifty-six million, one hundred fifty thousand".