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54456641 = 192866139
BaseRepresentation
bin1100111110111…
…1000101000001
310210110200110122
43033233011001
5102420103031
65223110025
71230605501
oct317570501
9123420418
1054456641
1128815098
12162a2315
13b388a85
147337a01
154baa47b
hex33ef141

54456641 has 4 divisors (see below), whose sum is σ = 57322800. Its totient is φ = 51590484.

The previous prime is 54456631. The next prime is 54456643. The reversal of 54456641 is 14665445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54456641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54456643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433051 + ... + 1433088.

It is an arithmetic number, because the mean of its divisors is an integer number (14330700).

Almost surely, 254456641 is an apocalyptic number.

It is an amenable number.

54456641 is a deficient number, since it is larger than the sum of its proper divisors (2866159).

54456641 is a wasteful number, since it uses less digits than its factorization.

54456641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866158.

The product of its digits is 57600, while the sum is 35.

The square root of 54456641 is about 7379.4743037699. The cubic root of 54456641 is about 379.0387547015.

The spelling of 54456641 in words is "fifty-four million, four hundred fifty-six thousand, six hundred forty-one".

Divisors: 1 19 2866139 54456641