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54427087900 = 2252557977147
BaseRepresentation
bin110010101100000110…
…110111010000011100
312012111010011112112101
4302230012313100130
51342431313303100
641000425214444
73634516420363
oct625406672034
9165433145471
1054427087900
112109a743789
12a66b631424
135194cc8373
1428c469a7da
15163837e86a
hexcac1b741c

54427087900 has 36 divisors (see below), whose sum is σ = 118318942728. Its totient is φ = 21731727040.

The previous prime is 54427087879. The next prime is 54427087927. The reversal of 54427087900 is 978072445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432874 + ... + 544273.

It is an arithmetic number, because the mean of its divisors is an integer number (3286637298).

Almost surely, 254427087900 is an apocalyptic number.

54427087900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54427087900 is an abundant number, since it is smaller than the sum of its proper divisors (63891854828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54427087900 is a wasteful number, since it uses less digits than its factorization.

54427087900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977718 (or 977711 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 54427087900 in words is "fifty-four billion, four hundred twenty-seven million, eighty-seven thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 557 1114 2228 2785 5570 11140 13925 27850 55700 977147 1954294 3908588 4885735 9771470 19542940 24428675 48857350 97714700 544270879 1088541758 2177083516 2721354395 5442708790 10885417580 13606771975 27213543950 54427087900