Search a number
-
+
56100055 = 5111020001
BaseRepresentation
bin1101011000000…
…0010011010111
310220120011210211
43112000103113
5103330200210
65322230251
71250562004
oct326002327
9126504724
1056100055
1129737890
1216955387
13b812acb
1476448ab
154dd238a
hex35804d7

56100055 has 8 divisors (see below), whose sum is σ = 73440144. Its totient is φ = 40800000.

The previous prime is 56100041. The next prime is 56100061. The reversal of 56100055 is 55000165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56100055 - 213 = 56091863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56099999 and 56100035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509946 + ... + 510055.

It is an arithmetic number, because the mean of its divisors is an integer number (9180018).

Almost surely, 256100055 is an apocalyptic number.

56100055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56100055 is a deficient number, since it is larger than the sum of its proper divisors (17340089).

56100055 is a wasteful number, since it uses less digits than its factorization.

56100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020017.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 56100055 is about 7489.9969959941. The cubic root of 56100055 is about 382.8139561405.

The spelling of 56100055 in words is "fifty-six million, one hundred thousand, fifty-five".

Divisors: 1 5 11 55 1020001 5100005 11220011 56100055