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54489892 = 2219137121
BaseRepresentation
bin1100111111011…
…1001100100100
310210112101002011
43033313030210
5102422134032
65223524004
71231104442
oct317671444
9123471064
1054489892
1128838076
12162b9604
13b39ac52
147345b92
154bb5247
hex33f7324

54489892 has 12 divisors (see below), whose sum is σ = 95420556. Its totient is φ = 27226880.

The previous prime is 54489887. The next prime is 54489893. The reversal of 54489892 is 29898445.

It can be written as a sum of positive squares in 2 ways, for example, as 21381376 + 33108516 = 4624^2 + 5754^2 .

It is not an unprimeable number, because it can be changed into a prime (54489893) 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, 4092 + ... + 11212.

It is an arithmetic number, because the mean of its divisors is an integer number (7951713).

Almost surely, 254489892 is an apocalyptic number.

It is an amenable number.

54489892 is a deficient number, since it is larger than the sum of its proper divisors (40930664).

54489892 is a wasteful number, since it uses less digits than its factorization.

54489892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038 (or 9036 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 54489892 is about 7381.7268982265. The cubic root of 54489892 is about 379.1158855043.

The spelling of 54489892 in words is "fifty-four million, four hundred eighty-nine thousand, eight hundred ninety-two".

Divisors: 1 2 4 1913 3826 7121 7652 14242 28484 13622473 27244946 54489892