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54444493 = 431399109
BaseRepresentation
bin1100111110110…
…0000111001101
310210110001210201
43033230013031
5102414210433
65222533501
71230525205
oct317540715
9123401721
1054444493
1128806a54
1216297291
13b38339c
147333405
154ba6a7d
hex33ec1cd

54444493 has 8 divisors (see below), whose sum is σ = 56117600. Its totient is φ = 52789968.

The previous prime is 54444491. The next prime is 54444499. The reversal of 54444493 is 39444445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54444493 - 21 = 54444491 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 (54444491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (7014700).

Almost surely, 254444493 is an apocalyptic number.

It is an amenable number.

54444493 is a deficient number, since it is larger than the sum of its proper divisors (1673107).

54444493 is a wasteful number, since it uses less digits than its factorization.

54444493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291.

The product of its digits is 138240, while the sum is 37.

The square root of 54444493 is about 7378.6511640001. The cubic root of 54444493 is about 379.0105677186.

The spelling of 54444493 in words is "fifty-four million, four hundred forty-four thousand, four hundred ninety-three".

Divisors: 1 43 139 5977 9109 391687 1266151 54444493