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55922437 = 361715461
BaseRepresentation
bin1101010101010…
…0111100000101
310220020011011101
43111110330011
5103304004222
65314340101
71246222114
oct325247405
9126204141
1055922437
112962639a
121688a631
13b77cccc
1475d9c7b
154d99927
hex3554f05

55922437 has 4 divisors (see below), whose sum is σ = 55941516. Its totient is φ = 55903360.

The previous prime is 55922417. The next prime is 55922467. The reversal of 55922437 is 73422955.

55922437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3996001 + 51926436 = 1999^2 + 7206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55922437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55922396 and 55922405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55922417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4114 + ... + 11347.

It is an arithmetic number, because the mean of its divisors is an integer number (13985379).

Almost surely, 255922437 is an apocalyptic number.

It is an amenable number.

55922437 is a deficient number, since it is larger than the sum of its proper divisors (19079).

55922437 is a wasteful number, since it uses less digits than its factorization.

55922437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19078.

The product of its digits is 75600, while the sum is 37.

The square root of 55922437 is about 7478.1305819035. The cubic root of 55922437 is about 382.4095207980.

The spelling of 55922437 in words is "fifty-five million, nine hundred twenty-two thousand, four hundred thirty-seven".

Divisors: 1 3617 15461 55922437