Search a number
-
+
53545430 = 255354543
BaseRepresentation
bin1100110001000…
…0100111010110
310201202101112002
43030100213112
5102201423210
65151355302
71220062061
oct314204726
9121671462
1053545430
1128252524
1215b22b32
13b12a0b3
14717b8d8
154a7a4a5
hex33109d6

53545430 has 8 divisors (see below), whose sum is σ = 96381792. Its totient is φ = 21418168.

The previous prime is 53545417. The next prime is 53545433. The reversal of 53545430 is 3454535.

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

It is a super-2 number, since 2×535454302 = 5734226147769800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53545393 and 53545402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53545433) 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, 2677262 + ... + 2677281.

It is an arithmetic number, because the mean of its divisors is an integer number (12047724).

Almost surely, 253545430 is an apocalyptic number.

53545430 is a deficient number, since it is larger than the sum of its proper divisors (42836362).

53545430 is a wasteful number, since it uses less digits than its factorization.

53545430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354550.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53545430 is about 7317.4742910379. The cubic root of 53545430 is about 376.9127280769.

Adding to 53545430 its reverse (3454535), we get a palindrome (56999965).

The spelling of 53545430 in words is "fifty-three million, five hundred forty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 5354543 10709086 26772715 53545430