Search a number
-
+
55070164 = 22137100493
BaseRepresentation
bin1101001000010…
…0110111010100
310211121212001201
43102010313110
5103044221124
65244202244
71236042262
oct322046724
9124555051
1055070164
11290a4036
1216539384
13b5420c6
147457432
154c7c144
hex3484dd4

55070164 has 12 divisors (see below), whose sum is σ = 97077204. Its totient is φ = 27333824.

The previous prime is 55070161. The next prime is 55070177. The reversal of 55070164 is 46107055.

It can be written as a sum of positive squares in 2 ways, for example, as 48413764 + 6656400 = 6958^2 + 2580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55070161) 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, 49699 + ... + 50794.

It is an arithmetic number, because the mean of its divisors is an integer number (8089767).

Almost surely, 255070164 is an apocalyptic number.

It is an amenable number.

55070164 is a deficient number, since it is larger than the sum of its proper divisors (42007040).

55070164 is a wasteful number, since it uses less digits than its factorization.

55070164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100634 (or 100632 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 55070164 is about 7420.9274353008. The cubic root of 55070164 is about 380.4568927251.

The spelling of 55070164 in words is "fifty-five million, seventy thousand, one hundred sixty-four".

Divisors: 1 2 4 137 274 548 100493 200986 401972 13767541 27535082 55070164