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55920601 = 115083691
BaseRepresentation
bin1101010101010…
…0011111011001
310220020001122101
43111110133121
5103303424401
65314323401
71246213552
oct325243731
9126201571
1055920601
1129624a80
1216889561
13b77c219
1475d9329
154d99101
hex35547d9

55920601 has 4 divisors (see below), whose sum is σ = 61004304. Its totient is φ = 50836900.

The previous prime is 55920589. The next prime is 55920607. The reversal of 55920601 is 10602955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55920601 is a prime.

It is a super-2 number, since 2×559206012 = 6254227232402402, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 55920601 parts by 10575 straight cuts.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55920601.

It is not an unprimeable number, because it can be changed into a prime (55920607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541835 + ... + 2541856.

It is an arithmetic number, because the mean of its divisors is an integer number (15251076).

Almost surely, 255920601 is an apocalyptic number.

It is an amenable number.

55920601 is a deficient number, since it is larger than the sum of its proper divisors (5083703).

55920601 is a wasteful number, since it uses less digits than its factorization.

55920601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083702.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 55920601 is about 7478.0078229432. The cubic root of 55920601 is about 382.4053357660.

The spelling of 55920601 in words is "fifty-five million, nine hundred twenty thousand, six hundred one".

Divisors: 1 11 5083691 55920601