Search a number
-
+
56545061 = 1393311229
BaseRepresentation
bin1101011110110…
…0111100100101
310221101210020112
43113230330211
5103433420221
65335542405
71254424256
oct327547445
9127353215
1056545061
1129a11161
1216b2aa05
13b93a521
14771cb2d
154e6e15b
hex35ecf25

56545061 has 8 divisors (see below), whose sum is σ = 57170400. Its totient is φ = 55923120.

The previous prime is 56545057. The next prime is 56545079. The reversal of 56545061 is 16054565.

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

It is a cyclic number.

It is not a de Polignac number, because 56545061 - 22 = 56545057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56545081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45395 + ... + 46623.

It is an arithmetic number, because the mean of its divisors is an integer number (7146300).

Almost surely, 256545061 is an apocalyptic number.

It is an amenable number.

56545061 is a deficient number, since it is larger than the sum of its proper divisors (625339).

56545061 is a wasteful number, since it uses less digits than its factorization.

56545061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 56545061 is about 7519.6450049188. The cubic root of 56545061 is about 383.8234978960.

The spelling of 56545061 in words is "fifty-six million, five hundred forty-five thousand, sixty-one".

Divisors: 1 139 331 1229 46009 170831 406799 56545061