Search a number
-
+
55630671 = 329639433
BaseRepresentation
bin1101010000110…
…1101101001111
310212200022221020
43110031231033
5103220140141
65304205223
71243565355
oct324155517
9125608836
1055630671
1129447168
1216769813
13b6aa275
1475617d5
154d3d266
hex350db4f

55630671 has 8 divisors (see below), whose sum is σ = 76732080. Its totient is φ = 35808192.

The previous prime is 55630643. The next prime is 55630717. The reversal of 55630671 is 17603655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55630671 - 210 = 55629647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55630871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319630 + ... + 319803.

It is an arithmetic number, because the mean of its divisors is an integer number (9591510).

Almost surely, 255630671 is an apocalyptic number.

55630671 is a deficient number, since it is larger than the sum of its proper divisors (21101409).

55630671 is a wasteful number, since it uses less digits than its factorization.

55630671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639465.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 55630671 is about 7458.5971201024. The cubic root of 55630671 is about 381.7433081745.

The spelling of 55630671 in words is "fifty-five million, six hundred thirty thousand, six hundred seventy-one".

Divisors: 1 3 29 87 639433 1918299 18543557 55630671