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542530055 = 5108506011
BaseRepresentation
bin100000010101100…
…101101000000111
31101210212101022202
4200111211220013
52102341430210
6125500145115
716305300164
oct4025455007
91353771282
10542530055
11259275951
1213183819b
1388526402
14520a706b
15329699a5
hex20565a07

542530055 has 4 divisors (see below), whose sum is σ = 651036072. Its totient is φ = 434024040.

The previous prime is 542530033. The next prime is 542530067. The reversal of 542530055 is 550035245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550035245 = 5110007049.

It is not a de Polignac number, because 542530055 - 212 = 542525959 is a prime.

It is a Duffinian number.

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, 54253001 + ... + 54253010.

It is an arithmetic number, because the mean of its divisors is an integer number (162759018).

Almost surely, 2542530055 is an apocalyptic number.

542530055 is a deficient number, since it is larger than the sum of its proper divisors (108506017).

542530055 is a wasteful number, since it uses less digits than its factorization.

542530055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108506016.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 542530055 is about 23292.2745776363. The cubic root of 542530055 is about 815.5950864775.

The spelling of 542530055 in words is "five hundred forty-two million, five hundred thirty thousand, fifty-five".

Divisors: 1 5 108506011 542530055