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55433263 = 233237911
BaseRepresentation
bin1101001101110…
…1100000101111
310212022022010211
43103131200233
5103142331023
65300043251
71242114004
oct323354057
9125268124
1055433263
1129321916
1216693527
13b63b462
14750d8ab
154ceea0d
hex34dd82f

55433263 has 4 divisors (see below), whose sum is σ = 55671408. Its totient is φ = 55195120.

The previous prime is 55433227. The next prime is 55433303. The reversal of 55433263 is 36233455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36233455 = 57246691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55433263 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55436263) 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, 118723 + ... + 119188.

It is an arithmetic number, because the mean of its divisors is an integer number (13917852).

Almost surely, 255433263 is an apocalyptic number.

55433263 is a deficient number, since it is larger than the sum of its proper divisors (238145).

55433263 is a wasteful number, since it uses less digits than its factorization.

55433263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238144.

The product of its digits is 32400, while the sum is 31.

The square root of 55433263 is about 7445.3517714074. The cubic root of 55433263 is about 381.2912284358.

It can be divided in two parts, 55433 and 263, that added together give a square (55696 = 2362).

The spelling of 55433263 in words is "fifty-five million, four hundred thirty-three thousand, two hundred sixty-three".

Divisors: 1 233 237911 55433263