Search a number
-
+
55132437 = 322980251
BaseRepresentation
bin1101001001010…
…0000100010101
310211202000111010
43102110010111
5103103214222
65245402433
71236421653
oct322240425
9124660433
1055132437
11291368a8
1216569419
13b564559
147471dd3
154c9080c
hex3494115

55132437 has 8 divisors (see below), whose sum is σ = 73831840. Its totient is φ = 36594000.

The previous prime is 55132397. The next prime is 55132453. The reversal of 55132437 is 73423155.

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

It is not a de Polignac number, because 55132437 - 212 = 55128341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55132487) 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, 39439 + ... + 40812.

It is an arithmetic number, because the mean of its divisors is an integer number (9228980).

Almost surely, 255132437 is an apocalyptic number.

It is an amenable number.

55132437 is a deficient number, since it is larger than the sum of its proper divisors (18699403).

55132437 is a wasteful number, since it uses less digits than its factorization.

55132437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80483.

The product of its digits is 12600, while the sum is 30.

The square root of 55132437 is about 7425.1220191994. The cubic root of 55132437 is about 380.6002448033.

The spelling of 55132437 in words is "fifty-five million, one hundred thirty-two thousand, four hundred thirty-seven".

Divisors: 1 3 229 687 80251 240753 18377479 55132437