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55528050 = 2352438609
BaseRepresentation
bin1101001111010…
…0101001110010
310212111010011110
43103310221302
5103203344200
65302054150
71242660234
oct323645162
9125433143
1055528050
1129387056
121671a356
13b672646
147536254
154d1cb50
hex34f4a72

55528050 has 48 divisors (see below), whose sum is σ = 140928480. Its totient is φ = 14461440.

The previous prime is 55528043. The next prime is 55528061. The reversal of 55528050 is 5082555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 55527999 and 55528017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2146 + ... + 10754.

It is an arithmetic number, because the mean of its divisors is an integer number (2936010).

Almost surely, 255528050 is an apocalyptic number.

55528050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55528050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70464240).

55528050 is an abundant number, since it is smaller than the sum of its proper divisors (85400430).

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

55528050 is a wasteful number, since it uses less digits than its factorization.

55528050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667 (or 8662 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 55528050 is about 7451.7145678025. The cubic root of 55528050 is about 381.5084317867.

The spelling of 55528050 in words is "fifty-five million, five hundred twenty-eight thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 43 50 75 86 129 150 215 258 430 645 1075 1290 2150 3225 6450 8609 17218 25827 43045 51654 86090 129135 215225 258270 370187 430450 645675 740374 1110561 1291350 1850935 2221122 3701870 5552805 9254675 11105610 18509350 27764025 55528050