56903472 has 150 divisors (see below), whose sum is σ = 174241452. Its totient is φ = 17924544.

The previous prime is 56903467. The next prime is 56903477. The reversal of 56903472 is 27430965.

It is an interprime number because it is at equal distance from previous prime (56903467) and next prime (56903477).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56903477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 685543 + ... + 685625.

Almost surely, 2^56903472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56903472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87120726).

56903472 is an abundant number, since it is smaller than the sum of its proper divisors (117337980).

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

56903472 is a wasteful number, since it uses less digits than its factorization.

56903472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 56903472 is about 7543.4390035315. The cubic root of 56903472 is about 384.6327458666.

It can be divided in two parts, 56903 and 472, that added together give a palindrome (57375).

The spelling of 56903472 in words is "fifty-six million, nine hundred three thousand, four hundred seventy-two".