Search a number
-
+
54693637 = 61896617
BaseRepresentation
bin1101000010100…
…0111100000101
310210220201120021
43100220330011
5103000144022
65232135141
71232613445
oct320507405
9123821507
1054693637
1128967159
12163974b1
13b43c8cb
14739a125
154c057c7
hex3428f05

54693637 has 4 divisors (see below), whose sum is σ = 55590316. Its totient is φ = 53796960.

The previous prime is 54693601. The next prime is 54693677. The reversal of 54693637 is 73639645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4198401 + 50495236 = 2049^2 + 7106^2 .

It is a cyclic number.

It is not a de Polignac number, because 54693637 - 211 = 54691589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54693593 and 54693602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54693677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448248 + ... + 448369.

It is an arithmetic number, because the mean of its divisors is an integer number (13897579).

Almost surely, 254693637 is an apocalyptic number.

It is an amenable number.

54693637 is a deficient number, since it is larger than the sum of its proper divisors (896679).

54693637 is an equidigital number, since it uses as much as digits as its factorization.

54693637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896678.

The product of its digits is 408240, while the sum is 43.

The square root of 54693637 is about 7395.5146541671. The cubic root of 54693637 is about 379.5878194650.

The spelling of 54693637 in words is "fifty-four million, six hundred ninety-three thousand, six hundred thirty-seven".

Divisors: 1 61 896617 54693637