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54355121 = 312163347
BaseRepresentation
bin1100111101011…
…0010010110001
310210021112012122
43033112102301
5102403330441
65221004025
71230003512
oct317262261
9123245178
1054355121
1128755897
1216253615
13b3517c2
14730ca09
154b8a34b
hex33d64b1

54355121 has 12 divisors (see below), whose sum is σ = 56672496. Its totient is φ = 52128360.

The previous prime is 54355099. The next prime is 54355151. The reversal of 54355121 is 12155345.

It is a de Polignac number, because none of the positive numbers 2k-54355121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54355151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156470 + ... + 156816.

It is an arithmetic number, because the mean of its divisors is an integer number (4722708).

Almost surely, 254355121 is an apocalyptic number.

It is an amenable number.

54355121 is a deficient number, since it is larger than the sum of its proper divisors (2317375).

54355121 is a wasteful number, since it uses less digits than its factorization.

54355121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 541 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 54355121 is about 7372.5925562179. The cubic root of 54355121 is about 378.8030690233.

The spelling of 54355121 in words is "fifty-four million, three hundred fifty-five thousand, one hundred twenty-one".

Divisors: 1 31 163 347 961 5053 10757 56561 156643 333467 1753391 54355121