Search a number
-
+
55740804 = 2237663581
BaseRepresentation
bin1101010010100…
…0100110000100
310212212221000020
43110220212010
5103232201204
65310415140
71244534430
oct324504604
9125787006
1055740804
1129511989
12168014b0
13b718432
14758d9c0
154d60bd9
hex3528984

55740804 has 24 divisors (see below), whose sum is σ = 148642368. Its totient is φ = 15925920.

The previous prime is 55740803. The next prime is 55740859. The reversal of 55740804 is 40804755.

It is not an unprimeable number, because it can be changed into a prime (55740803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331707 + ... + 331874.

It is an arithmetic number, because the mean of its divisors is an integer number (6193432).

Almost surely, 255740804 is an apocalyptic number.

It is an amenable number.

55740804 is an abundant number, since it is smaller than the sum of its proper divisors (92901564).

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

55740804 is a wasteful number, since it uses less digits than its factorization.

55740804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663595 (or 663593 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 55740804 is about 7465.9764264294. The cubic root of 55740804 is about 381.9950567236.

The spelling of 55740804 in words is "fifty-five million, seven hundred forty thousand, eight hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 663581 1327162 1990743 2654324 3981486 4645067 7962972 9290134 13935201 18580268 27870402 55740804