56289500 has 48 divisors (see below), whose sum is σ = 124243392. Its totient is φ = 22276800.

The previous prime is 56289491. The next prime is 56289509. The reversal of 56289500 is 598265.

It is an interprime number because it is at equal distance from previous prime (56289491) and next prime (56289509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56289509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50954 + ... + 52046.

It is an arithmetic number, because the mean of its divisors is an integer number (2588404).

Almost surely, 2^56289500 is an apocalyptic number.

56289500 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 56289500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62121696).

56289500 is an abundant number, since it is smaller than the sum of its proper divisors (67953892).

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

56289500 is a wasteful number, since it uses less digits than its factorization.

56289500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 56289500 is about 7502.6328711993. The cubic root of 56289500 is about 383.2443817971.

The spelling of 56289500 in words is "fifty-six million, two hundred eighty-nine thousand, five hundred".