56035537 has 4 divisors (see below), whose sum is σ = 56074660. Its totient is φ = 55996416.

The previous prime is 56035523. The next prime is 56035547. The reversal of 56035537 is 73553065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73553065 = 5 ⋅14710613.

It can be written as a sum of positive squares in 2 ways, for example, as 12988816 + 43046721 = 3604^2 + 6561^2 .

It is a cyclic number.

It is not a de Polignac number, because 56035537 - 2⁷ = 56035409 is a prime.

It is a super-3 number, since 3×56035537³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56035547) 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, 17328 + ... + 20305.

It is an arithmetic number, because the mean of its divisors is an integer number (14018665).

Almost surely, 2^56035537 is an apocalyptic number.

It is an amenable number.

56035537 is a deficient number, since it is larger than the sum of its proper divisors (39123).

56035537 is a wasteful number, since it uses less digits than its factorization.

56035537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39122.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 56035537 is about 7485.6888126611. The cubic root of 56035537 is about 382.6671478173.

The spelling of 56035537 in words is "fifty-six million, thirty-five thousand, five hundred thirty-seven".