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55255032532 = 22777314271789
BaseRepresentation
bin110011011101011101…
…001110001011010100
312021121211002111001101
4303131131032023110
51401130242020112
641214523035444
73664162012210
oct633535161324
9167554074041
1055255032532
1121485030847
12a86096bb84
1352976b382b
14296261b940
151685dc6757
hexcdd74e2d4

55255032532 has 48 divisors (see below), whose sum is σ = 110792465280. Its totient is φ = 23620309632.

The previous prime is 55255032529. The next prime is 55255032641. The reversal of 55255032532 is 23523055255.

It is a super-2 number, since 2×552550325322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55255032491 and 55255032500.

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, 30885094 + ... + 30886882.

It is an arithmetic number, because the mean of its divisors is an integer number (2308176360).

Almost surely, 255255032532 is an apocalyptic number.

It is an amenable number.

55255032532 is an abundant number, since it is smaller than the sum of its proper divisors (55537432748).

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

55255032532 is a wasteful number, since it uses less digits than its factorization.

55255032532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 37.

Adding to 55255032532 its reverse (23523055255), we get a palindrome (78778087787).

The spelling of 55255032532 in words is "fifty-five billion, two hundred fifty-five million, thirty-two thousand, five hundred thirty-two".

Divisors: 1 2 4 7 14 28 773 1427 1546 1789 2854 3092 3578 5411 5708 7156 9989 10822 12523 19978 21644 25046 39956 50092 1103071 1382897 2206142 2552903 2765794 4412284 5105806 5531588 7721497 9680279 10211612 15442994 17870321 19360558 30885988 35740642 38721116 71481284 1973394019 3946788038 7893576076 13813758133 27627516266 55255032532