55810847 has 16 divisors (see below), whose sum is σ = 62726400. Its totient is φ = 49345920.

The previous prime is 55810841. The next prime is 55810889. The reversal of 55810847 is 74801855.

It is a cyclic number.

It is not a de Polignac number, because 55810847 - 2⁸ = 55810591 is a prime.

It is a super-2 number, since 2×55810847² = 6229701285714818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55810847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55810841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41654 + ... + 42972.

It is an arithmetic number, because the mean of its divisors is an integer number (3920400).

Almost surely, 2^55810847 is an apocalyptic number.

55810847 is a deficient number, since it is larger than the sum of its proper divisors (6915553).

55810847 is a wasteful number, since it uses less digits than its factorization.

55810847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 55810847 is about 7470.6657668510. The cubic root of 55810847 is about 382.1549927045.

The spelling of 55810847 in words is "fifty-five million, eight hundred ten thousand, eight hundred forty-seven".