56534237 has 2 divisors, whose sum is σ = 56534238. Its totient is φ = 56534236.

The previous prime is 56534227. The next prime is 56534263. The reversal of 56534237 is 73243565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35868121 + 20666116 = 5989^2 + 4546^2 .

It is a cyclic number.

It is not a de Polignac number, because 56534237 - 2⁴ = 56534221 is a prime.

It is a super-2 number, since 2×56534237² = 6392239906344338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56534197 and 56534206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56534227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28267118 + 28267119.

It is an arithmetic number, because the mean of its divisors is an integer number (28267119).

Almost surely, 2^56534237 is an apocalyptic number.

It is an amenable number.

56534237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56534237 is an equidigital number, since it uses as much as digits as its factorization.

56534237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 35.

The square root of 56534237 is about 7518.9252556466. The cubic root of 56534237 is about 383.7990055084.

The spelling of 56534237 in words is "fifty-six million, five hundred thirty-four thousand, two hundred thirty-seven".