Search a number
-
+
53791161 = 355732191
BaseRepresentation
bin1100110100110…
…0100110111001
310202012212121020
43031030212321
5102232304121
65200533053
71222134354
oct315144671
9122185536
1053791161
1128400106
1216021189
13b1b4bb8
14720329b
154ac81c6
hex334c9b9

53791161 has 8 divisors (see below), whose sum is σ = 71852544. Its totient is φ = 35795280.

The previous prime is 53791159. The next prime is 53791187. The reversal of 53791161 is 16119735.

It is a happy number.

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

It is not a de Polignac number, because 53791161 - 21 = 53791159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53791561) 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, 14425 + ... + 17766.

It is an arithmetic number, because the mean of its divisors is an integer number (8981568).

Almost surely, 253791161 is an apocalyptic number.

It is an amenable number.

53791161 is a deficient number, since it is larger than the sum of its proper divisors (18061383).

53791161 is a wasteful number, since it uses less digits than its factorization.

53791161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32751.

The product of its digits is 5670, while the sum is 33.

The square root of 53791161 is about 7334.2457689936. The cubic root of 53791161 is about 377.4884250065.

The spelling of 53791161 in words is "fifty-three million, seven hundred ninety-one thousand, one hundred sixty-one".

Divisors: 1 3 557 1671 32191 96573 17930387 53791161