Search a number
-
+
53511091 = 616713093
BaseRepresentation
bin1100110000100…
…0001110110011
310201200122102021
43030020032303
5102144323331
65150532311
71216560004
oct314101663
9121618367
1053511091
1128229747
1215b07097
13b11758a
14716d1ab
154a70211
hex33083b3

53511091 has 8 divisors (see below), whose sum is σ = 55204304. Its totient is φ = 51844320.

The previous prime is 53511083. The next prime is 53511097. The reversal of 53511091 is 19011535.

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

It is a cyclic number.

It is not a de Polignac number, because 53511091 - 23 = 53511083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53511097) 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, 2460 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (6900538).

Almost surely, 253511091 is an apocalyptic number.

53511091 is a deficient number, since it is larger than the sum of its proper divisors (1693213).

53511091 is a wasteful number, since it uses less digits than its factorization.

53511091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 53511091 is about 7315.1275450261. The cubic root of 53511091 is about 376.8321387286.

The spelling of 53511091 in words is "fifty-three million, five hundred eleven thousand, ninety-one".

Divisors: 1 61 67 4087 13093 798673 877231 53511091