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55090756 = 2276473041
BaseRepresentation
bin1101001000100…
…1111001000100
310211122220022101
43102021321010
5103100401011
65244441444
71236156310
oct322117104
9124586271
1055090756
1129108556
1216549284
13b54b5a6
147460b40
154c832c1
hex3489e44

55090756 has 24 divisors (see below), whose sum is σ = 110388096. Its totient is φ = 23566080.

The previous prime is 55090741. The next prime is 55090771. The reversal of 55090756 is 65709055.

It is an interprime number because it is at equal distance from previous prime (55090741) and next prime (55090771).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16596 + ... + 19636.

It is an arithmetic number, because the mean of its divisors is an integer number (4599504).

Almost surely, 255090756 is an apocalyptic number.

It is an amenable number.

55090756 is an abundant number, since it is smaller than the sum of its proper divisors (55297340).

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

55090756 is a wasteful number, since it uses less digits than its factorization.

55090756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3697 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 55090756 is about 7422.3147332891. The cubic root of 55090756 is about 380.5043073412.

The spelling of 55090756 in words is "fifty-five million, ninety thousand, seven hundred fifty-six".

Divisors: 1 2 4 7 14 28 647 1294 2588 3041 4529 6082 9058 12164 18116 21287 42574 85148 1967527 3935054 7870108 13772689 27545378 55090756