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56454897 = 331160509
BaseRepresentation
bin1101011101011…
…0111011110001
310221020012120010
43113112323301
5103423024042
65334005133
71253600352
oct327267361
9127205503
1056454897
112995a444
1216aa67a9
13b908485
1476d7d29
154e5259c
hex35d6ef1

56454897 has 8 divisors (see below), whose sum is σ = 75516480. Its totient is φ = 37514960.

The previous prime is 56454877. The next prime is 56454899. The reversal of 56454897 is 79845465.

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 56454897 - 211 = 56452849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56454899) 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 7 ways as a sum of consecutive naturals, for example, 29322 + ... + 31187.

It is an arithmetic number, because the mean of its divisors is an integer number (9439560).

Almost surely, 256454897 is an apocalyptic number.

It is an amenable number.

56454897 is a deficient number, since it is larger than the sum of its proper divisors (19061583).

56454897 is a wasteful number, since it uses less digits than its factorization.

56454897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60823.

The product of its digits is 1209600, while the sum is 48.

The square root of 56454897 is about 7513.6473832620. The cubic root of 56454897 is about 383.6193806144.

The spelling of 56454897 in words is "fifty-six million, four hundred fifty-four thousand, eight hundred ninety-seven".

Divisors: 1 3 311 933 60509 181527 18818299 56454897