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55194838 = 227597419
BaseRepresentation
bin1101001010001…
…1010011010110
310211212012002021
43102203103112
5103112213323
65251003354
71240101616
oct322432326
9124765067
1055194838
1129179776
121659955a
13b586a8a
14748aa46
154ca405d
hex34a34d6

55194838 has 4 divisors (see below), whose sum is σ = 82792260. Its totient is φ = 27597418.

The previous prime is 55194833. The next prime is 55194877. The reversal of 55194838 is 83849155.

55194838 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 is a junction number, because it is equal to n+sod(n) for n = 55194794 and 55194803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55194833) 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 as a sum of consecutive naturals, namely, 13798708 + ... + 13798711.

It is an arithmetic number, because the mean of its divisors is an integer number (20698065).

Almost surely, 255194838 is an apocalyptic number.

55194838 is a deficient number, since it is larger than the sum of its proper divisors (27597422).

55194838 is a wasteful number, since it uses less digits than its factorization.

55194838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27597421.

The product of its digits is 172800, while the sum is 43.

The square root of 55194838 is about 7429.3228493585. The cubic root of 55194838 is about 380.7437832988.

The spelling of 55194838 in words is "fifty-five million, one hundred ninety-four thousand, eight hundred thirty-eight".

Divisors: 1 2 27597419 55194838