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54543013 = 740919051
BaseRepresentation
bin1101000000010…
…0001010100101
310210122001221121
43100010022211
5102430334023
65225013541
71231415350
oct320041245
9123561847
1054543013
1128873a78
12163242b1
13b3b9195
14735b297
154bc5d5d
hex34042a5

54543013 has 8 divisors (see below), whose sum is σ = 62490560. Its totient is φ = 46634400.

The previous prime is 54543007. The next prime is 54543017. The reversal of 54543013 is 31034545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54543013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54543017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6663 + ... + 12388.

It is an arithmetic number, because the mean of its divisors is an integer number (7811320).

Almost surely, 254543013 is an apocalyptic number.

It is an amenable number.

54543013 is a deficient number, since it is larger than the sum of its proper divisors (7947547).

54543013 is a wasteful number, since it uses less digits than its factorization.

54543013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19467.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 54543013 is about 7385.3241635016. The cubic root of 54543013 is about 379.2390427444.

Adding to 54543013 its reverse (31034545), we get a palindrome (85577558).

The spelling of 54543013 in words is "fifty-four million, five hundred forty-three thousand, thirteen".

Divisors: 1 7 409 2863 19051 133357 7791859 54543013