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55601941 = 311793611
BaseRepresentation
bin1101010000011…
…0101100010101
310212121212112011
43110012230111
5103213230231
65303424221
71243415533
oct324065425
9125555464
1055601941
112942761a
1216755071
13b69a175
147555153
154d349b1
hex3506b15

55601941 has 4 divisors (see below), whose sum is σ = 57395584. Its totient is φ = 53808300.

The previous prime is 55601939. The next prime is 55601947. The reversal of 55601941 is 14910655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55601941 - 21 = 55601939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1793611 = 55601941 / (5 + 5 + 6 + 0 + 1 + 9 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55601947) 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, 896775 + ... + 896836.

It is an arithmetic number, because the mean of its divisors is an integer number (14348896).

Almost surely, 255601941 is an apocalyptic number.

It is an amenable number.

55601941 is a deficient number, since it is larger than the sum of its proper divisors (1793643).

55601941 is a wasteful number, since it uses less digits than its factorization.

55601941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793642.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 55601941 is about 7456.6709059741. The cubic root of 55601941 is about 381.6775808002.

The spelling of 55601941 in words is "fifty-five million, six hundred one thousand, nine hundred forty-one".

Divisors: 1 31 1793611 55601941