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54354021 = 343421349
BaseRepresentation
bin1100111101011…
…0000001100101
310210021110200220
43033112001211
5102403312041
65220554553
71230000351
oct317260145
9123243626
1054354021
1128754a87
1216252a59
13b351157
14730c461
154b89d66
hex33d6065

54354021 has 8 divisors (see below), whose sum is σ = 74157600. Its totient is φ = 35393232.

The previous prime is 54354019. The next prime is 54354023. The reversal of 54354021 is 12045345.

54354021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54354019) and next prime (54354023).

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

It is not a de Polignac number, because 54354021 - 21 = 54354019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54353982 and 54354000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54354023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210546 + ... + 210803.

It is an arithmetic number, because the mean of its divisors is an integer number (9269700).

Almost surely, 254354021 is an apocalyptic number.

It is an amenable number.

54354021 is a deficient number, since it is larger than the sum of its proper divisors (19803579).

54354021 is a wasteful number, since it uses less digits than its factorization.

54354021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421395.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 54354021 is about 7372.5179552172. The cubic root of 54354021 is about 378.8005136910.

Adding to 54354021 its reverse (12045345), we get a palindrome (66399366).

The spelling of 54354021 in words is "fifty-four million, three hundred fifty-four thousand, twenty-one".

Divisors: 1 3 43 129 421349 1264047 18118007 54354021