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55726859 is a prime number
BaseRepresentation
bin1101010010010…
…1001100001011
310212212012212202
43110211030023
5103231224414
65310230415
71244445656
oct324451413
9125765782
1055726859
1129502461
12167b540b
13b711c96
14758889d
154d5b9de
hex352530b

55726859 has 2 divisors, whose sum is σ = 55726860. Its totient is φ = 55726858.

The previous prime is 55726841. The next prime is 55726877. The reversal of 55726859 is 95862755.

It is a balanced prime because it is at equal distance from previous prime (55726841) and next prime (55726877).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55726859 is a prime.

It is a super-3 number, since 3×557268593 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55726889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27863429 + 27863430.

It is an arithmetic number, because the mean of its divisors is an integer number (27863430).

Almost surely, 255726859 is an apocalyptic number.

55726859 is a deficient number, since it is larger than the sum of its proper divisors (1).

55726859 is an equidigital number, since it uses as much as digits as its factorization.

55726859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 47.

The square root of 55726859 is about 7465.0424647151. The cubic root of 55726859 is about 381.9631987610.

The spelling of 55726859 in words is "fifty-five million, seven hundred twenty-six thousand, eight hundred fifty-nine".