Search a number
-
+
54565031 = 431126601
BaseRepresentation
bin1101000000100…
…1100010100111
310210200012011002
43100021202213
5102432040111
65225303515
71231536503
oct320114247
9123605132
1054565031
1128889574
1216334b9b
13b3c6201
147365303
154bcc63b
hex34098a7

54565031 has 4 divisors (see below), whose sum is σ = 54692064. Its totient is φ = 54438000.

The previous prime is 54565003. The next prime is 54565057. The reversal of 54565031 is 13056545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54565031 - 214 = 54548647 is a prime.

It is a super-2 number, since 2×545650312 = 5954685216061922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54564985 and 54565003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54565061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62870 + ... + 63731.

It is an arithmetic number, because the mean of its divisors is an integer number (13673016).

Almost surely, 254565031 is an apocalyptic number.

54565031 is a deficient number, since it is larger than the sum of its proper divisors (127033).

54565031 is a wasteful number, since it uses less digits than its factorization.

54565031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127032.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 54565031 is about 7386.8146721033. The cubic root of 54565031 is about 379.2900664621.

The spelling of 54565031 in words is "fifty-four million, five hundred sixty-five thousand, thirty-one".

Divisors: 1 431 126601 54565031