Search a number
-
+
55897411 = 1719612837
BaseRepresentation
bin1101010100111…
…0110101000011
310220011212211111
43111032311003
5103302204121
65314024151
71246056133
oct325166503
9126155744
1055897411
1129609609
1216878057
13b7717bb
1475d0ac3
154d922e1
hex354ed43

55897411 has 16 divisors (see below), whose sum is σ = 63344160. Its totient is φ = 49006080.

The previous prime is 55897381. The next prime is 55897421. The reversal of 55897411 is 11479855.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55897411 - 211 = 55895363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55897421) 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, 18285 + ... + 21121.

It is an arithmetic number, because the mean of its divisors is an integer number (3959010).

Almost surely, 255897411 is an apocalyptic number.

55897411 is a deficient number, since it is larger than the sum of its proper divisors (7446749).

55897411 is a wasteful number, since it uses less digits than its factorization.

55897411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934.

The product of its digits is 50400, while the sum is 40.

The square root of 55897411 is about 7476.4571155060. The cubic root of 55897411 is about 382.3524679159.

It can be divided in two parts, 558 and 97411, that added together give a square (97969 = 3132).

The spelling of 55897411 in words is "fifty-five million, eight hundred ninety-seven thousand, four hundred eleven".

Divisors: 1 17 19 61 323 1037 1159 2837 19703 48229 53903 173057 916351 2941969 3288083 55897411