56021335 has 4 divisors (see below), whose sum is σ = 67225608. Its totient is φ = 44817064.

The previous prime is 56021323. The next prime is 56021347. The reversal of 56021335 is 53312065.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53312065 = 5 ⋅10662413.

It is an interprime number because it is at equal distance from previous prime (56021323) and next prime (56021347).

It is a cyclic number.

It is not a de Polignac number, because 56021335 - 2¹⁵ = 55988567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5602129 + ... + 5602138.

It is an arithmetic number, because the mean of its divisors is an integer number (16806402).

Almost surely, 2^56021335 is an apocalyptic number.

56021335 is a deficient number, since it is larger than the sum of its proper divisors (11204273).

56021335 is a wasteful number, since it uses less digits than its factorization.

56021335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204272.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 56021335 is about 7484.7401424498. The cubic root of 56021335 is about 382.6348165604.

The spelling of 56021335 in words is "fifty-six million, twenty-one thousand, three hundred thirty-five".