56221734 has 16 divisors (see below), whose sum is σ = 112559472. Its totient is φ = 18721248.

The previous prime is 56221733. The next prime is 56221787. The reversal of 56221734 is 43712265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56221733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2272 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (7034967).

Almost surely, 2^56221734 is an apocalyptic number.

56221734 is an abundant number, since it is smaller than the sum of its proper divisors (56337738).

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

56221734 is a wasteful number, since it uses less digits than its factorization.

56221734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671.

The product of its digits is 10080, while the sum is 30.

The square root of 56221734 is about 7498.1153632096. The cubic root of 56221734 is about 383.0905261772.

Adding to 56221734 its reverse (43712265), we get a palindrome (99933999).

It can be divided in two parts, 56221 and 734, that multiplied together give a palindrome (41266214).

The spelling of 56221734 in words is "fifty-six million, two hundred twenty-one thousand, seven hundred thirty-four".