Search a number
-
+
55715862 = 239285977
BaseRepresentation
bin1101010010001…
…0100000010110
310212211122210110
43110202200112
5103230401422
65310103450
71244401626
oct324424026
9125748713
1055715862
11294a5174
12167aab86
13b709c87
147584886
154d5860c
hex3522816

55715862 has 8 divisors (see below), whose sum is σ = 111431736. Its totient is φ = 18571952.

The previous prime is 55715833. The next prime is 55715887. The reversal of 55715862 is 26851755.

It is a sphenic number, since it is the product of 3 distinct primes.

55715862 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 55715862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4642983 + ... + 4642994.

It is an arithmetic number, because the mean of its divisors is an integer number (13928967).

Almost surely, 255715862 is an apocalyptic number.

55715862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55715862 is a wasteful number, since it uses less digits than its factorization.

55715862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285982.

The product of its digits is 84000, while the sum is 39.

The square root of 55715862 is about 7464.3058619004. The cubic root of 55715862 is about 381.9380718850.

The spelling of 55715862 in words is "fifty-five million, seven hundred fifteen thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 9285977 18571954 27857931 55715862