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5551540455 = 35882141957
BaseRepresentation
bin1010010101110010…
…11100100011100111
3112022220012110211110
411022321130203213
542332143243310
62314512440103
7254400213066
oct51271344347
915286173743
105551540455
11239977756a
1210ab249033
136a61bb2a6
143a94321dd
152275a0d20
hex14ae5c8e7

5551540455 has 16 divisors (see below), whose sum is σ = 8883683424. Its totient is φ = 2960415360.

The previous prime is 5551540439. The next prime is 5551540469. The reversal of 5551540455 is 5540451555.

It is not a de Polignac number, because 5551540455 - 24 = 5551540439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111337 + ... + 153293.

It is an arithmetic number, because the mean of its divisors is an integer number (555230214).

Almost surely, 25551540455 is an apocalyptic number.

5551540455 is a deficient number, since it is larger than the sum of its proper divisors (3332142969).

5551540455 is a wasteful number, since it uses less digits than its factorization.

5551540455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50786.

The product of its (nonzero) digits is 250000, while the sum is 39.

The square root of 5551540455 is about 74508.6602684547. The cubic root of 5551540455 is about 1770.6708443750.

Subtracting from 5551540455 its reverse (5540451555), we obtain a square (11088900 = 33302).

The spelling of 5551540455 in words is "five billion, five hundred fifty-one million, five hundred forty thousand, four hundred fifty-five".

Divisors: 1 3 5 15 8821 26463 41957 44105 125871 132315 209785 629355 370102697 1110308091 1850513485 5551540455