Search a number
-
+
55703273 = 457121889
BaseRepresentation
bin1101010001111…
…1011011101001
310212211000112012
43110133123221
5103230001043
65305525305
71244320133
oct324373351
9125730465
1055703273
112949676a
12167a3835
13b704322
147580053
154d54a18
hex351f6e9

55703273 has 4 divisors (see below), whose sum is σ = 55825620. Its totient is φ = 55580928.

The previous prime is 55703243. The next prime is 55703281. The reversal of 55703273 is 37230755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37230755 = 57446151.

It can be written as a sum of positive squares in 2 ways, for example, as 20502784 + 35200489 = 4528^2 + 5933^2 .

It is a cyclic number.

It is not a de Polignac number, because 55703273 - 210 = 55702249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55703213) 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, 60488 + ... + 61401.

It is an arithmetic number, because the mean of its divisors is an integer number (13956405).

Almost surely, 255703273 is an apocalyptic number.

It is an amenable number.

55703273 is a deficient number, since it is larger than the sum of its proper divisors (122347).

55703273 is a wasteful number, since it uses less digits than its factorization.

55703273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122346.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 55703273 is about 7463.4625342397. The cubic root of 55703273 is about 381.9093034134.

The spelling of 55703273 in words is "fifty-five million, seven hundred three thousand, two hundred seventy-three".

Divisors: 1 457 121889 55703273