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550531465457 = 2657207200401
BaseRepresentation
bin10000000001011100011…
…10111000000011110001
31221122000111002010102012
420000232032320003301
533004442023343312
61100524411532305
754526453150151
oct10005616700361
91848014063365
10550531465457
111a252a7293a6
128a843a5a095
133cbb803b8ac
141c90837a761
15e4c1ea9322
hex802e3b80f1

550531465457 has 4 divisors (see below), whose sum is σ = 550738668516. Its totient is φ = 550324262400.

The previous prime is 550531465427. The next prime is 550531465469. The reversal of 550531465457 is 754564135055.

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

It can be written as a sum of positive squares in 2 ways, for example, as 353758490176 + 196772975281 = 594776^2 + 443591^2 .

It is a cyclic number.

It is not a de Polignac number, because 550531465457 - 228 = 550263030001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550531465427) 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, 103597544 + ... + 103602857.

It is an arithmetic number, because the mean of its divisors is an integer number (137684667129).

Almost surely, 2550531465457 is an apocalyptic number.

It is an amenable number.

550531465457 is a deficient number, since it is larger than the sum of its proper divisors (207203059).

550531465457 is a wasteful number, since it uses less digits than its factorization.

550531465457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207203058.

The product of its (nonzero) digits is 6300000, while the sum is 50.

The spelling of 550531465457 in words is "five hundred fifty billion, five hundred thirty-one million, four hundred sixty-five thousand, four hundred fifty-seven".

Divisors: 1 2657 207200401 550531465457