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54353431 = 114941221
BaseRepresentation
bin1100111101010…
…1111000010111
310210021102220001
43033111320113
5102403302211
65220552131
71226665546
oct317257027
9123242801
1054353431
11287545a0
1216252647
13b350ac2
14730c15d
154b89ac1
hex33d5e17

54353431 has 4 divisors (see below), whose sum is σ = 59294664. Its totient is φ = 49412200.

The previous prime is 54353423. The next prime is 54353459. The reversal of 54353431 is 13435345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54353431 - 23 = 54353423 is a prime.

It is a super-2 number, since 2×543534312 = 5908590922943522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54353431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54353401) 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, 2470600 + ... + 2470621.

It is an arithmetic number, because the mean of its divisors is an integer number (14823666).

Almost surely, 254353431 is an apocalyptic number.

54353431 is a deficient number, since it is larger than the sum of its proper divisors (4941233).

54353431 is a wasteful number, since it uses less digits than its factorization.

54353431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941232.

The product of its digits is 10800, while the sum is 28.

The square root of 54353431 is about 7372.4779416421. The cubic root of 54353431 is about 378.7991430895.

Adding to 54353431 its reverse (13435345), we get a palindrome (67788776).

The spelling of 54353431 in words is "fifty-four million, three hundred fifty-three thousand, four hundred thirty-one".

Divisors: 1 11 4941221 54353431