Search a number
-
+
54439655 = 5197572
BaseRepresentation
bin1100111110101…
…0111011100111
310210102211011112
43033222323213
5102414032110
65222455235
71230505124
oct317527347
9123384145
1054439655
1128803356
121629451b
13b38111a
14733174b
154ba5405
hex33eaee7

54439655 has 12 divisors (see below), whose sum is σ = 68856840. Its totient is φ = 41205024.

The previous prime is 54439631. The next prime is 54439663. The reversal of 54439655 is 55693445.

It is not a de Polignac number, because 54439655 - 212 = 54435559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71537 + ... + 72293.

It is an arithmetic number, because the mean of its divisors is an integer number (5738070).

Almost surely, 254439655 is an apocalyptic number.

54439655 is a deficient number, since it is larger than the sum of its proper divisors (14417185).

54439655 is an frugal number, since it uses more digits than its factorization.

54439655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 781 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 54439655 is about 7378.3233190204. The cubic root of 54439655 is about 378.9993409484. Note that the first 3 decimals are identical.

The spelling of 54439655 in words is "fifty-four million, four hundred thirty-nine thousand, six hundred fifty-five".

Divisors: 1 5 19 95 757 3785 14383 71915 573049 2865245 10887931 54439655