Search a number
-
+
55056671 = 97156701
BaseRepresentation
bin1101001000000…
…1100100011111
310211121011112222
43102001210133
5103043303141
65244015555
71235655035
oct322014437
9124534488
1055056671
112909498a
12165315bb
13b538c17
147452555
154c7814b
hex348191f

55056671 has 4 divisors (see below), whose sum is σ = 55114344. Its totient is φ = 54999000.

The previous prime is 55056667. The next prime is 55056689. The reversal of 55056671 is 17665055.

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

It is a cyclic number.

It is not a de Polignac number, because 55056671 - 22 = 55056667 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 (55056271) 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, 27380 + ... + 29321.

It is an arithmetic number, because the mean of its divisors is an integer number (13778586).

Almost surely, 255056671 is an apocalyptic number.

55056671 is a deficient number, since it is larger than the sum of its proper divisors (57673).

55056671 is an equidigital number, since it uses as much as digits as its factorization.

55056671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57672.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55056671 is about 7420.0182614331. The cubic root of 55056671 is about 380.4258176759.

The spelling of 55056671 in words is "fifty-five million, fifty-six thousand, six hundred seventy-one".

Divisors: 1 971 56701 55056671