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54442014551 = 500910868839
BaseRepresentation
bin110010101100111111…
…110011011101010111
312012112011020220001022
4302230333303131113
51342444123431201
641002121151355
73635060326331
oct625477633527
9165464226038
1054442014551
11210a8109361
12a67462b55b
1351981234c2
1428c6664451
15163982c41b
hexcacff3757

54442014551 has 4 divisors (see below), whose sum is σ = 54452888400. Its totient is φ = 54431140704.

The previous prime is 54442014481. The next prime is 54442014631. The reversal of 54442014551 is 15541024445.

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 54442014551 - 222 = 54437820247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54442214551) 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, 5429411 + ... + 5439428.

It is an arithmetic number, because the mean of its divisors is an integer number (13613222100).

Almost surely, 254442014551 is an apocalyptic number.

54442014551 is a deficient number, since it is larger than the sum of its proper divisors (10873849).

54442014551 is a wasteful number, since it uses less digits than its factorization.

54442014551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873848.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 54442014551 its reverse (15541024445), we get a palindrome (69983038996).

The spelling of 54442014551 in words is "fifty-four billion, four hundred forty-two million, fourteen thousand, five hundred fifty-one".

Divisors: 1 5009 10868839 54442014551