Search a number
-
+
55992043 = 145938377
BaseRepresentation
bin1101010110010…
…1111011101011
310220100200122101
43111211323223
5103313221133
65320034231
71246632052
oct325457353
9126320571
1055992043
1129673718
1216902977
13b7a58b3
147617399
154db037d
hex3565eeb

55992043 has 4 divisors (see below), whose sum is σ = 56031880. Its totient is φ = 55952208.

The previous prime is 55992029. The next prime is 55992059. The reversal of 55992043 is 34029955.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34029955 = 56805991.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55992043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55991993 and 55992011.

It is not an unprimeable number, because it can be changed into a prime (55992023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17730 + ... + 20647.

It is an arithmetic number, because the mean of its divisors is an integer number (14007970).

Almost surely, 255992043 is an apocalyptic number.

55992043 is a deficient number, since it is larger than the sum of its proper divisors (39837).

55992043 is a wasteful number, since it uses less digits than its factorization.

55992043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39836.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 55992043 is about 7482.7831052356. The cubic root of 55992043 is about 382.5681152278.

The spelling of 55992043 in words is "fifty-five million, nine hundred ninety-two thousand, forty-three".

Divisors: 1 1459 38377 55992043