Search a number
-
+
54955945 = 511999199
BaseRepresentation
bin1101000110100…
…0111110101001
310211102001101101
43101220332221
5103032042240
65241521401
71235055262
oct321507651
9124361341
1054955945
1129026240
12164a3261
13b502115
147427969
154c5839a
hex3468fa9

54955945 has 8 divisors (see below), whose sum is σ = 71942400. Its totient is φ = 39967920.

The previous prime is 54955931. The next prime is 54955973.

54955945 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 54955945 - 211 = 54953897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54955895 and 54955904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499545 + ... + 499654.

It is an arithmetic number, because the mean of its divisors is an integer number (8992800).

Almost surely, 254955945 is an apocalyptic number.

54955945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54955945 is a deficient number, since it is larger than the sum of its proper divisors (16986455).

54955945 is a wasteful number, since it uses less digits than its factorization.

54955945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999215.

The product of its digits is 810000, while the sum is 46.

The square root of 54955945 is about 7413.2277045832. The cubic root of 54955945 is about 380.1936801225.

The spelling of 54955945 in words is "fifty-four million, nine hundred fifty-five thousand, nine hundred forty-five".

Divisors: 1 5 11 55 999199 4995995 10991189 54955945