Search a number
-
+
55738371 = 313792229
BaseRepresentation
bin1101010010100…
…0000000000011
310212212210200010
43110220000003
5103232111441
65310400003
71244524353
oct324500003
9125783603
1055738371
1129510077
1216800003
13b7172b0
14758cb63
154d60116
hex3528003

55738371 has 24 divisors (see below), whose sum is σ = 81414480. Its totient is φ = 33718464.

The previous prime is 55738369. The next prime is 55738387. The reversal of 55738371 is 17383755.

It is not a de Polignac number, because 55738371 - 21 = 55738369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55738301) 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, 243285 + ... + 243513.

It is an arithmetic number, because the mean of its divisors is an integer number (3392270).

Almost surely, 255738371 is an apocalyptic number.

55738371 is a deficient number, since it is larger than the sum of its proper divisors (25676109).

55738371 is a wasteful number, since it uses less digits than its factorization.

55738371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 324 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 55738371 is about 7465.8134854817. The cubic root of 55738371 is about 381.9894988113.

The spelling of 55738371 in words is "fifty-five million, seven hundred thirty-eight thousand, three hundred seventy-one".

Divisors: 1 3 13 39 79 229 237 687 1027 2977 3081 6241 8931 18091 18723 54273 81133 235183 243399 705549 1429189 4287567 18579457 55738371