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555054420 = 223517544171
BaseRepresentation
bin100001000101010…
…111010101010100
31102200102200112010
4201011113111110
52114043220140
6131024424220
716516612314
oct4105272524
91380380463
10555054420
1126534a668
12135a78070
138acbcc8b
1453a07444
1533ae0880
hex21157554

555054420 has 48 divisors (see below), whose sum is σ = 1645576128. Its totient is φ = 139307520.

The previous prime is 555054397. The next prime is 555054421. The reversal of 555054420 is 24450555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555054421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271066 + ... + 273105.

It is an arithmetic number, because the mean of its divisors is an integer number (34282836).

Almost surely, 2555054420 is an apocalyptic number.

It is an amenable number.

555054420 is an abundant number, since it is smaller than the sum of its proper divisors (1090521708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555054420 is a wasteful number, since it uses less digits than its factorization.

555054420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544200 (or 544198 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 555054420 is about 23559.5929506433. The cubic root of 555054420 is about 821.8234357718.

The spelling of 555054420 in words is "five hundred fifty-five million, fifty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 544171 1088342 1632513 2176684 2720855 3265026 5441710 6530052 8162565 9250907 10883420 16325130 18501814 27752721 32650260 37003628 46254535 55505442 92509070 111010884 138763605 185018140 277527210 555054420