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53402503550 = 2521197095461
BaseRepresentation
bin110001101111000010…
…011000100101111110
312002211201020021000212
4301233002120211332
51333332020103200
640311024552422
73600235535114
oct615702304576
9162751207025
1053402503550
1120714359360
12a424482712
135060961236
14282858dab4
1515c8444035
hexc6f09897e

53402503550 has 24 divisors (see below), whose sum is σ = 108358535592. Its totient is φ = 19419092000.

The previous prime is 53402503543. The next prime is 53402503591. The reversal of 53402503550 is 5530520435.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48547181 + ... + 48548280.

It is an arithmetic number, because the mean of its divisors is an integer number (4514938983).

Almost surely, 253402503550 is an apocalyptic number.

53402503550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53402503550 is an abundant number, since it is smaller than the sum of its proper divisors (54956032042).

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

53402503550 is a wasteful number, since it uses less digits than its factorization.

53402503550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97095484 (or 97095479 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 53402503550 in words is "fifty-three billion, four hundred two million, five hundred three thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 97095461 194190922 485477305 970954610 1068050071 2136100142 2427386525 4854773050 5340250355 10680500710 26701251775 53402503550