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554045405 = 5110809081
BaseRepresentation
bin100001000001100…
…000111111011101
31102121112102102012
4201001200333131
52113313423110
6130551041005
716505210504
oct4101407735
91377472365
10554045405
11264820571
12135670165
138aa28924
145382383b
1533991905
hex21060fdd

554045405 has 4 divisors (see below), whose sum is σ = 664854492. Its totient is φ = 443236320.

The previous prime is 554045357. The next prime is 554045417. The reversal of 554045405 is 504540455.

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 189502756 + 364542649 = 13766^2 + 19093^2 .

It is not a de Polignac number, because 554045405 - 212 = 554041309 is a prime.

It is a super-2 number, since 2×5540454052 = 613932621603228050, which contains 22 as substring.

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, 55404536 + ... + 55404545.

It is an arithmetic number, because the mean of its divisors is an integer number (166213623).

Almost surely, 2554045405 is an apocalyptic number.

It is an amenable number.

554045405 is a deficient number, since it is larger than the sum of its proper divisors (110809087).

554045405 is a wasteful number, since it uses less digits than its factorization.

554045405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110809086.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 554045405 is about 23538.1691089175. The cubic root of 554045405 is about 821.3251451958.

The spelling of 554045405 in words is "five hundred fifty-four million, forty-five thousand, four hundred five".

Divisors: 1 5 110809081 554045405