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54433768407 = 318144589469
BaseRepresentation
bin110010101100100000…
…010110001111010111
312012111120201221110120
4302230200112033113
51342440021042112
641001224323023
73634630253154
oct625440261727
9165446657416
1054433768407
11210a3496967
12a671913473
1351964c7025
1428c551922b
151638c4de8c
hexcac8163d7

54433768407 has 4 divisors (see below), whose sum is σ = 72578357880. Its totient is φ = 36289178936.

The previous prime is 54433768369. The next prime is 54433768429. The reversal of 54433768407 is 70486733445.

54433768407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54433768407 - 26 = 54433768343 is a prime.

It is a super-2 number, since 2×544337684072 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54433768407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54433768507) 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, 9072294732 + ... + 9072294737.

It is an arithmetic number, because the mean of its divisors is an integer number (18144589470).

Almost surely, 254433768407 is an apocalyptic number.

54433768407 is a deficient number, since it is larger than the sum of its proper divisors (18144589473).

54433768407 is a wasteful number, since it uses less digits than its factorization.

54433768407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18144589472.

The product of its (nonzero) digits is 6773760, while the sum is 51.

The spelling of 54433768407 in words is "fifty-four billion, four hundred thirty-three million, seven hundred sixty-eight thousand, four hundred seven".

Divisors: 1 3 18144589469 54433768407