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54221044 = 2213555261
BaseRepresentation
bin1100111011010…
…1100011110100
310210000201021211
43032311203310
5102340033134
65214051204
71225604563
oct316654364
9123021254
1054221044
1128674089
12161a9b04
13b305777
1472b5bda
154b60764
hex33b58f4

54221044 has 6 divisors (see below), whose sum is σ = 94886834. Its totient is φ = 27110520.

The previous prime is 54221029. The next prime is 54221047. The reversal of 54221044 is 44012245.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45292900 + 8928144 = 6730^2 + 2988^2 .

It is a super-2 number, since 2×542210442 = 5879843224899872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54221047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6777627 + ... + 6777634.

Almost surely, 254221044 is an apocalyptic number.

It is an amenable number.

54221044 is a deficient number, since it is larger than the sum of its proper divisors (40665790).

54221044 is a wasteful number, since it uses less digits than its factorization.

54221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555265 (or 13555263 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 54221044 is about 7363.4940076026. The cubic root of 54221044 is about 378.4913498730.

Adding to 54221044 its reverse (44012245), we get a palindrome (98233289).

The spelling of 54221044 in words is "fifty-four million, two hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 13555261 27110522 54221044