56045261 has 4 divisors (see below), whose sum is σ = 56280000. Its totient is φ = 55810524.

The previous prime is 56045257. The next prime is 56045267. The reversal of 56045261 is 16254065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56045261 - 2² = 56045257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56045267) 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, 117011 + ... + 117488.

It is an arithmetic number, because the mean of its divisors is an integer number (14070000).

Almost surely, 2^56045261 is an apocalyptic number.

It is an amenable number.

56045261 is a deficient number, since it is larger than the sum of its proper divisors (234739).

56045261 is a wasteful number, since it uses less digits than its factorization.

56045261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234738.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 56045261 is about 7486.3382905129. The cubic root of 56045261 is about 382.6892816293.

The spelling of 56045261 in words is "fifty-six million, forty-five thousand, two hundred sixty-one".