55860847 has 4 divisors (see below), whose sum is σ = 63840976. Its totient is φ = 47880720.

The previous prime is 55860839. The next prime is 55860907. The reversal of 55860847 is 74806855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74806855 = 5 ⋅14961371.

It is a cyclic number.

It is not a de Polignac number, because 55860847 - 2³ = 55860839 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 (55864847) 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, 3990054 + ... + 3990067.

It is an arithmetic number, because the mean of its divisors is an integer number (15960244).

Almost surely, 2^55860847 is an apocalyptic number.

55860847 is a deficient number, since it is larger than the sum of its proper divisors (7980129).

55860847 is an equidigital number, since it uses as much as digits as its factorization.

55860847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980128.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 55860847 is about 7474.0114396487. The cubic root of 55860847 is about 382.2690807202.

The spelling of 55860847 in words is "fifty-five million, eight hundred sixty thousand, eight hundred forty-seven".