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53864210544 = 2431439779827
BaseRepresentation
bin110010001010100011…
…101010000001110000
312011000220000101221220
4302022203222001300
51340303214214134
640424520545040
73614543143464
oct621243520160
9164026011856
1053864210544
1120930a40691
12a533022180
1351054c9741
14286da184a4
151603c46149
hexc8a8ea070

53864210544 has 40 divisors (see below), whose sum is σ = 139246087680. Its totient is φ = 17942236608.

The previous prime is 53864210489. The next prime is 53864210557. The reversal of 53864210544 is 44501246835.

It is a junction number, because it is equal to n+sod(n) for n = 53864210496 and 53864210505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320842 + ... + 458985.

It is an arithmetic number, because the mean of its divisors is an integer number (3481152192).

Almost surely, 253864210544 is an apocalyptic number.

It is an amenable number.

53864210544 is an abundant number, since it is smaller than the sum of its proper divisors (85381877136).

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

53864210544 is a wasteful number, since it uses less digits than its factorization.

53864210544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781277 (or 781271 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 53864210544 in words is "fifty-three billion, eight hundred sixty-four million, two hundred ten thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1439 2878 4317 5756 8634 11512 17268 23024 34536 69072 779827 1559654 2339481 3119308 4678962 6238616 9357924 12477232 18715848 37431696 1122171053 2244342106 3366513159 4488684212 6733026318 8977368424 13466052636 17954736848 26932105272 53864210544