56258747 has 4 divisors (see below), whose sum is σ = 56298216. Its totient is φ = 56219280.

The previous prime is 56258743. The next prime is 56258771. The reversal of 56258747 is 74785265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74785265 = 5 ⋅14957053.

It is a cyclic number.

It is not a de Polignac number, because 56258747 - 2² = 56258743 is a prime.

It is a super-2 number, since 2×56258747² = 6330093228020018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56258698 and 56258707.

It is not an unprimeable number, because it can be changed into a prime (56258743) 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, 17513 + ... + 20474.

It is an arithmetic number, because the mean of its divisors is an integer number (14074554).

Almost surely, 2^56258747 is an apocalyptic number.

56258747 is a deficient number, since it is larger than the sum of its proper divisors (39469).

56258747 is a wasteful number, since it uses less digits than its factorization.

56258747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39468.

The product of its digits is 470400, while the sum is 44.

The square root of 56258747 is about 7500.5831106655. The cubic root of 56258747 is about 383.1745756374.

The spelling of 56258747 in words is "fifty-six million, two hundred fifty-eight thousand, seven hundred forty-seven".