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55799755 = 5112149619
BaseRepresentation
bin1101010011011…
…0111111001011
310212222220212121
43110312333023
5103241043010
65311552111
71245201334
oct324667713
9125886777
1055799755
1129552200
121682b637
13b73920b
1475a728b
154d733da
hex3536fcb

55799755 has 24 divisors (see below), whose sum is σ = 74214000. Its totient is φ = 40244160.

The previous prime is 55799753. The next prime is 55799801.

55799755 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55799755 - 21 = 55799753 is a prime.

It is a super-2 number, since 2×557997552 = 6227225316120050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55799753) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 89836 + ... + 90454.

It is an arithmetic number, because the mean of its divisors is an integer number (3092250).

Almost surely, 255799755 is an apocalyptic number.

55799755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55799755 is a deficient number, since it is larger than the sum of its proper divisors (18414245).

55799755 is a wasteful number, since it uses less digits than its factorization.

55799755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 784 counting only the distinct ones).

The product of its digits is 2480625, while the sum is 52.

The square root of 55799755 is about 7469.9233597139. The cubic root of 55799755 is about 382.1296741851.

The spelling of 55799755 in words is "fifty-five million, seven hundred ninety-nine thousand, seven hundred fifty-five".

Divisors: 1 5 11 55 121 149 605 619 745 1639 3095 6809 8195 18029 34045 74899 90145 92231 374495 461155 1014541 5072705 11159951 55799755