Search a number
-
+
54757449 = 3219320219
BaseRepresentation
bin1101000011100…
…0100001001001
310211000222002200
43100320201021
5103004214244
65233350413
71233300465
oct320704111
9124028080
1054757449
1128a0009a
1216408409
13b462976
1473b54a5
154c19669
hex3438849

54757449 has 12 divisors (see below), whose sum is σ = 83257200. Its totient is φ = 34583544.

The previous prime is 54757433. The next prime is 54757471. The reversal of 54757449 is 94475745.

It is not a de Polignac number, because 54757449 - 24 = 54757433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54757429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159939 + ... + 160280.

It is an arithmetic number, because the mean of its divisors is an integer number (6938100).

Almost surely, 254757449 is an apocalyptic number.

It is an amenable number.

54757449 is a deficient number, since it is larger than the sum of its proper divisors (28499751).

54757449 is a wasteful number, since it uses less digits than its factorization.

54757449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320244 (or 320241 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 54757449 is about 7399.8276331277. The cubic root of 54757449 is about 379.7353859535.

The spelling of 54757449 in words is "fifty-four million, seven hundred fifty-seven thousand, four hundred forty-nine".

Divisors: 1 3 9 19 57 171 320219 960657 2881971 6084161 18252483 54757449