56025749 has 4 divisors (see below), whose sum is σ = 60335436. Its totient is φ = 51716064.

The previous prime is 56025731. The next prime is 56025763. The reversal of 56025749 is 94752065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30724849 + 25300900 = 5543^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 56025749 - 2²⁰ = 54977173 is a prime.

It is a super-2 number, since 2×56025749² = 6277769102022002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56025779) 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, 2154824 + ... + 2154849.

It is an arithmetic number, because the mean of its divisors is an integer number (15083859).

Almost surely, 2^56025749 is an apocalyptic number.

It is an amenable number.

56025749 is a deficient number, since it is larger than the sum of its proper divisors (4309687).

56025749 is a wasteful number, since it uses less digits than its factorization.

56025749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309686.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 56025749 is about 7485.0350032582. The cubic root of 56025749 is about 382.6448657421.

The spelling of 56025749 in words is "fifty-six million, twenty-five thousand, seven hundred forty-nine".