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55001053045 = 511000210609
BaseRepresentation
bin110011001110010100…
…010111011101110101
312020222010011222200201
4303032110113131311
51400120232144140
641133411240501
73654656144221
oct631624273565
9166863158621
1055001053045
112136472a244
12a7ab8a9131
135256ba9a03
14293a9c7781
15166d95849a
hexcce517775

55001053045 has 4 divisors (see below), whose sum is σ = 66001263660. Its totient is φ = 44000842432.

The previous prime is 55001052991. The next prime is 55001053061. The reversal of 55001053045 is 54035010055.

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 11860516836 + 43140536209 = 108906^2 + 207703^2 .

It is a cyclic number.

It is not a de Polignac number, because 55001053045 - 223 = 54992664437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500105300 + ... + 5500105309.

It is an arithmetic number, because the mean of its divisors is an integer number (16500315915).

Almost surely, 255001053045 is an apocalyptic number.

It is an amenable number.

55001053045 is a deficient number, since it is larger than the sum of its proper divisors (11000210615).

55001053045 is a wasteful number, since it uses less digits than its factorization.

55001053045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000210614.

The product of its (nonzero) digits is 7500, while the sum is 28.

Subtracting from 55001053045 its reverse (54035010055), we obtain a triangular number (966042990 = T43955).

The spelling of 55001053045 in words is "fifty-five billion, one million, fifty-three thousand, forty-five".

Divisors: 1 5 11000210609 55001053045