Search a number
-
+
55672372 = 2271988299
BaseRepresentation
bin1101010001011…
…1111000110100
310212202110010201
43110113320310
5103223003442
65305130244
71244131060
oct324277064
9125673121
1055672372
1129475528
1216789984
13b6c3242
147572aa0
154d4a7b7
hex3517e34

55672372 has 12 divisors (see below), whose sum is σ = 111344800. Its totient is φ = 23859576.

The previous prime is 55672369. The next prime is 55672417. The reversal of 55672372 is 27327655.

55672372 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994122 + ... + 994177.

Almost surely, 255672372 is an apocalyptic number.

It is an amenable number.

55672372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55672372 is a wasteful number, since it uses less digits than its factorization.

55672372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988310 (or 1988308 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 55672372 is about 7461.3920953130. The cubic root of 55672372 is about 381.8386698482.

The spelling of 55672372 in words is "fifty-five million, six hundred seventy-two thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 1988299 3976598 7953196 13918093 27836186 55672372