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56575488071 = 291950878899
BaseRepresentation
bin110100101100001010…
…010111000001000111
312102000211202120112002
4310230022113001013
51411331311104241
641553533015515
74041664466624
oct645412270107
9172024676462
1056575488071
1121aa242a613
12ab6b02459b
13544813137b
142a49b4534b
151711ca789b
hexd2c297047

56575488071 has 4 divisors (see below), whose sum is σ = 58526367000. Its totient is φ = 54624609144.

The previous prime is 56575488059. The next prime is 56575488077. The reversal of 56575488071 is 17088457565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56575488071 is a prime.

It is a super-3 number, since 3×565754880713 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56575487998 and 56575488016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56575488077) 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, 975439421 + ... + 975439478.

It is an arithmetic number, because the mean of its divisors is an integer number (14631591750).

Almost surely, 256575488071 is an apocalyptic number.

56575488071 is a deficient number, since it is larger than the sum of its proper divisors (1950878929).

56575488071 is a wasteful number, since it uses less digits than its factorization.

56575488071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950878928.

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 56575488071 in words is "fifty-six billion, five hundred seventy-five million, four hundred eighty-eight thousand, seventy-one".

Divisors: 1 29 1950878899 56575488071