56226558 has 16 divisors (see below), whose sum is σ = 113026320. Its totient is φ = 18646656.

The previous prime is 56226553. The next prime is 56226589. The reversal of 56226558 is 85562265.

It is a happy number.

It is a super-2 number, since 2×56226558² = 6322851649054728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56226553) 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, 22603 + ... + 24966.

It is an arithmetic number, because the mean of its divisors is an integer number (7064145).

Almost surely, 2^56226558 is an apocalyptic number.

56226558 is an abundant number, since it is smaller than the sum of its proper divisors (56799762).

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

56226558 is a wasteful number, since it uses less digits than its factorization.

56226558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47771.

The product of its digits is 144000, while the sum is 39.

The square root of 56226558 is about 7498.4370371431. The cubic root of 56226558 is about 383.1014826509.

The spelling of 56226558 in words is "fifty-six million, two hundred twenty-six thousand, five hundred fifty-eight".