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54933997 = 192891263
BaseRepresentation
bin1101000110001…
…1100111101101
310211100221021111
43101203213231
5103030341442
65241232021
71234634266
oct321434755
9124327244
1054933997
11290107a8
1216492611
13b4c5131
14741d96d
154c51b17
hex34639ed

54933997 has 4 divisors (see below), whose sum is σ = 57825280. Its totient is φ = 52042716.

The previous prime is 54933971. The next prime is 54934003. The reversal of 54933997 is 79933945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54933997 - 27 = 54933869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54933997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54933097) 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, 1445613 + ... + 1445650.

It is an arithmetic number, because the mean of its divisors is an integer number (14456320).

Almost surely, 254933997 is an apocalyptic number.

It is an amenable number.

54933997 is a deficient number, since it is larger than the sum of its proper divisors (2891283).

54933997 is a wasteful number, since it uses less digits than its factorization.

54933997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891282.

The product of its digits is 918540, while the sum is 49.

The square root of 54933997 is about 7411.7472299047. The cubic root of 54933997 is about 380.1430601699.

The spelling of 54933997 in words is "fifty-four million, nine hundred thirty-three thousand, nine hundred ninety-seven".

Divisors: 1 19 2891263 54933997