56637226 has 8 divisors (see below), whose sum is σ = 85070340. Its totient is φ = 28280448.

The previous prime is 56637223. The next prime is 56637263. The reversal of 56637226 is 62273665.

It can be written as a sum of positive squares in 2 ways, for example, as 52577001 + 4060225 = 7251^2 + 2015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×56637226³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (56637221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17191 + ... + 20218.

Almost surely, 2^56637226 is an apocalyptic number.

56637226 is a deficient number, since it is larger than the sum of its proper divisors (28433114).

56637226 is a wasteful number, since it uses less digits than its factorization.

56637226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38168.

The product of its digits is 90720, while the sum is 37.

The square root of 56637226 is about 7525.7707910884. The cubic root of 56637226 is about 384.0319209937.

The spelling of 56637226 in words is "fifty-six million, six hundred thirty-seven thousand, two hundred twenty-six".