Search a number
-
+
55392834 = 23721711083
BaseRepresentation
bin1101001101001…
…1101001000010
310212020020200110
43103103221002
5103140032314
65255132150
71241555100
oct323235102
9125206613
1055392834
11292a4502
1216674056
13b625c33
1474dcc70
154ce2a59
hex34d3a42

55392834 has 48 divisors (see below), whose sum is σ = 136466208. Its totient is φ = 14894208.

The previous prime is 55392833. The next prime is 55392839. The reversal of 55392834 is 43829355.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55392792 and 55392801.

It is not an unprimeable number, because it can be changed into a prime (55392833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (2843046).

Almost surely, 255392834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55392834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68233104).

55392834 is an abundant number, since it is smaller than the sum of its proper divisors (81073374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55392834 is a wasteful number, since it uses less digits than its factorization.

55392834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119 (or 11112 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 55392834 is about 7442.6362264993. The cubic root of 55392834 is about 381.1985105059.

The spelling of 55392834 in words is "fifty-five million, three hundred ninety-two thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 7 14 17 21 34 42 49 51 98 102 119 147 238 294 357 714 833 1666 2499 4998 11083 22166 33249 66498 77581 155162 188411 232743 376822 465486 543067 565233 1086134 1130466 1318877 1629201 2637754 3258402 3956631 7913262 9232139 18464278 27696417 55392834