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54345520331 = 311753081301
BaseRepresentation
bin110010100111001111…
…101101010011001011
312012021102200110212022
4302213033231103023
51342244423122311
640544353035055
73632506205144
oct624717552313
9165242613768
1054345520331
11210586a1873
12a648255a8b
13518113962b
1428b7906acb
15163111b5db
hexca73ed4cb

54345520331 has 4 divisors (see below), whose sum is σ = 56098601664. Its totient is φ = 52592439000.

The previous prime is 54345520303. The next prime is 54345520357. The reversal of 54345520331 is 13302554345.

It is a happy number.

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 54345520331 - 234 = 37165651147 is a prime.

It is a super-2 number, since 2×543455203312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54345520291 and 54345520300.

It is not an unprimeable number, because it can be changed into a prime (54345520231) 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, 876540620 + ... + 876540681.

It is an arithmetic number, because the mean of its divisors is an integer number (14024650416).

Almost surely, 254345520331 is an apocalyptic number.

54345520331 is a deficient number, since it is larger than the sum of its proper divisors (1753081333).

54345520331 is a wasteful number, since it uses less digits than its factorization.

54345520331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753081332.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 54345520331 in words is "fifty-four billion, three hundred forty-five million, five hundred twenty thousand, three hundred thirty-one".

Divisors: 1 31 1753081301 54345520331