56225004 has 48 divisors (see below), whose sum is σ = 143773056. Its totient is φ = 16960000.

The previous prime is 56224999. The next prime is 56225017. The reversal of 56225004 is 40052265.

It is a super-2 number, since 2×56225004² = 6322502149600032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32284 + ... + 33980.

It is an arithmetic number, because the mean of its divisors is an integer number (2995272).

Almost surely, 2^56225004 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 56225004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71886528).

56225004 is an abundant number, since it is smaller than the sum of its proper divisors (87548052).

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

56225004 is a wasteful number, since it uses less digits than its factorization.

56225004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 56225004 is about 7498.3334148329. Note that the first 3 decimals coincide. The cubic root of 56225004 is about 383.0979532085.

Adding to 56225004 its reverse (40052265), we get a palindrome (96277269).

The spelling of 56225004 in words is "fifty-six million, two hundred twenty-five thousand, four".