Search a number
-
+
54490085 = 51337139163
BaseRepresentation
bin1100111111011…
…1001111100101
310210112101100022
43033313033211
5102422140320
65223524525
71231105136
oct317671745
9123471308
1054490085
1128838231
12162b9745
13b39b070
147345c8d
154bb5325
hex33f73e5

54490085 has 32 divisors (see below), whose sum is σ = 73288320. Its totient is φ = 38631168.

The previous prime is 54490063. The next prime is 54490087. The reversal of 54490085 is 58009445.

It is a cyclic number.

It is not a de Polignac number, because 54490085 - 214 = 54473701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54490087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334214 + ... + 334376.

It is an arithmetic number, because the mean of its divisors is an integer number (2290260).

Almost surely, 254490085 is an apocalyptic number.

It is an amenable number.

54490085 is a deficient number, since it is larger than the sum of its proper divisors (18798235).

54490085 is a wasteful number, since it uses less digits than its factorization.

54490085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 54490085 is about 7381.7399710366. The cubic root of 54490085 is about 379.1163331058.

The spelling of 54490085 in words is "fifty-four million, four hundred ninety thousand, eighty-five".

Divisors: 1 5 13 37 65 139 163 185 481 695 815 1807 2119 2405 5143 6031 9035 10595 22657 25715 30155 66859 78403 113285 294541 334295 392015 838309 1472705 4191545 10898017 54490085