56201550 has 24 divisors (see below), whose sum is σ = 139380216. Its totient is φ = 14987040.

The previous prime is 56201533. The next prime is 56201573. The reversal of 56201550 is 5510265.

56201550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56201550² = 6317228444805000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56201550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187189 + ... + 187488.

It is an arithmetic number, because the mean of its divisors is an integer number (5807509).

Almost surely, 2^56201550 is an apocalyptic number.

56201550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56201550 is an abundant number, since it is smaller than the sum of its proper divisors (83178666).

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

56201550 is a wasteful number, since it uses less digits than its factorization.

56201550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374692 (or 374687 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 56201550 is about 7496.7693041736. The cubic root of 56201550 is about 383.0446766208.

The spelling of 56201550 in words is "fifty-six million, two hundred one thousand, five hundred fifty".