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54909353 = 59930667
BaseRepresentation
bin1101000101110…
…1100110101001
310211022200110202
43101131212221
5103024044403
65240521545
71234502402
oct321354651
9124280422
1054909353
1128aa4234
12164802b5
13b4b6b55
1474149a9
154c49688
hex345d9a9

54909353 has 4 divisors (see below), whose sum is σ = 55840080. Its totient is φ = 53978628.

The previous prime is 54909347. The next prime is 54909377. The reversal of 54909353 is 35390945.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35390945 = 57078189.

It is not a de Polignac number, because 54909353 - 26 = 54909289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54909343) 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, 465275 + ... + 465392.

It is an arithmetic number, because the mean of its divisors is an integer number (13960020).

Almost surely, 254909353 is an apocalyptic number.

It is an amenable number.

54909353 is a deficient number, since it is larger than the sum of its proper divisors (930727).

54909353 is an equidigital number, since it uses as much as digits as its factorization.

54909353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930726.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 54909353 is about 7410.0845474259. The cubic root of 54909353 is about 380.0862062037.

The spelling of 54909353 in words is "fifty-four million, nine hundred nine thousand, three hundred fifty-three".

Divisors: 1 59 930667 54909353