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55253267 = 77371479
BaseRepresentation
bin1101001011000…
…1100100010011
310211222011020022
43102301210103
5103121101032
65252134055
71240434146
oct322614423
9124864208
1055253267
1129209663
121660732b
13b5a7554
1474a405d
154cb6512
hex34b1913

55253267 has 4 divisors (see below), whose sum is σ = 55325520. Its totient is φ = 55181016.

The previous prime is 55253257. The next prime is 55253279. The reversal of 55253267 is 76235255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76235255 = 515247051.

It is a cyclic number.

It is not a de Polignac number, because 55253267 - 212 = 55249171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55253227) 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, 34967 + ... + 36512.

It is an arithmetic number, because the mean of its divisors is an integer number (13831380).

Almost surely, 255253267 is an apocalyptic number.

55253267 is a deficient number, since it is larger than the sum of its proper divisors (72253).

55253267 is an equidigital number, since it uses as much as digits as its factorization.

55253267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72252.

The product of its digits is 63000, while the sum is 35.

The square root of 55253267 is about 7433.2541326124. The cubic root of 55253267 is about 380.8780871209.

The spelling of 55253267 in words is "fifty-five million, two hundred fifty-three thousand, two hundred sixty-seven".

Divisors: 1 773 71479 55253267