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BaseRepresentation
bin1101010001110…
…1011110001011
310212210121111210
43110131132023
5103224221433
65305424203
71244254542
oct324353613
9125717453
1055695243
112949072a
121679b063
13b700786
14757b159
154d52463
hex351d78b

55695243 has 4 divisors (see below), whose sum is σ = 74260328. Its totient is φ = 37130160.

The previous prime is 55695229. The next prime is 55695253. The reversal of 55695243 is 34259655.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55695243 - 221 = 53598091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55695223) 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, 9282538 + ... + 9282543.

It is an arithmetic number, because the mean of its divisors is an integer number (18565082).

Almost surely, 255695243 is an apocalyptic number.

55695243 is a deficient number, since it is larger than the sum of its proper divisors (18565085).

55695243 is a wasteful number, since it uses less digits than its factorization.

55695243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18565084.

The product of its digits is 162000, while the sum is 39.

The square root of 55695243 is about 7462.9245607871. The cubic root of 55695243 is about 381.8909509366.

The spelling of 55695243 in words is "fifty-five million, six hundred ninety-five thousand, two hundred forty-three".

Divisors: 1 3 18565081 55695243