Search a number
-
+
55553043 = 3713593449
BaseRepresentation
bin1101001111101…
…0110000010011
310212112101110010
43103322300103
5103210144133
65302410003
71243123140
oct323726023
9125471403
1055553043
11293a3907
1216730903
13b680b30
1475413c7
154d25263
hex34fac13

55553043 has 32 divisors (see below), whose sum is σ = 92736000. Its totient is φ = 28797696.

The previous prime is 55552993. The next prime is 55553053. The reversal of 55553043 is 34035555.

It is not a de Polignac number, because 55553043 - 29 = 55552531 is a prime.

It is a super-3 number, since 3×555530433 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 55553043.

It is not an unprimeable number, because it can be changed into a prime (55553053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14383 + ... + 17831.

It is an arithmetic number, because the mean of its divisors is an integer number (2898000).

Almost surely, 255553043 is an apocalyptic number.

55553043 is a deficient number, since it is larger than the sum of its proper divisors (37182957).

55553043 is a wasteful number, since it uses less digits than its factorization.

55553043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 55553043 is about 7453.3913757430. The cubic root of 55553043 is about 381.5656617815.

Adding to 55553043 its reverse (34035555), we get a palindrome (89588598).

The spelling of 55553043 in words is "fifty-five million, five hundred fifty-three thousand, forty-three".

Divisors: 1 3 7 13 21 39 59 91 177 273 413 767 1239 2301 3449 5369 10347 16107 24143 44837 72429 134511 203491 313859 610473 941577 1424437 2645383 4273311 7936149 18517681 55553043