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54911899 = 73160093
BaseRepresentation
bin1101000101111…
…0001110011011
310211022210222001
43101132032123
5103024140044
65240541431
71234513000
oct321361633
9124283861
1054911899
1128aa6139
1216481877
13b4b8063
1474158a7
154c4a2d4
hex345e39b

54911899 has 8 divisors (see below), whose sum is σ = 64037600. Its totient is φ = 47067048.

The previous prime is 54911893. The next prime is 54911951. The reversal of 54911899 is 99811945.

It is not a de Polignac number, because 54911899 - 23 = 54911891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54911891) 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, 79704 + ... + 80389.

It is an arithmetic number, because the mean of its divisors is an integer number (8004700).

Almost surely, 254911899 is an apocalyptic number.

54911899 is a deficient number, since it is larger than the sum of its proper divisors (9125701).

54911899 is an equidigital number, since it uses as much as digits as its factorization.

54911899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160114 (or 160100 counting only the distinct ones).

The product of its digits is 116640, while the sum is 46.

The square root of 54911899 is about 7410.2563383462. The cubic root of 54911899 is about 380.0920806402.

Adding to 54911899 its sum of digits (46), we get a palindrome (54911945).

The spelling of 54911899 in words is "fifty-four million, nine hundred eleven thousand, eight hundred ninety-nine".

Divisors: 1 7 49 343 160093 1120651 7844557 54911899