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55410400 = 255269263
BaseRepresentation
bin1101001101011…
…1111011100000
310212021010210001
43103113323200
5103141113100
65255345344
71241660233
oct323277340
9125233701
1055410400
1129306721
1216682254
13b630c26
14750541a
154ce7d6a
hex34d7ee0

55410400 has 36 divisors (see below), whose sum is σ = 135272592. Its totient is φ = 22163840.

The previous prime is 55410391. The next prime is 55410401. The reversal of 55410400 is 401455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55410401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33832 + ... + 35431.

It is an arithmetic number, because the mean of its divisors is an integer number (3757572).

Almost surely, 255410400 is an apocalyptic number.

55410400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55410400 is an abundant number, since it is smaller than the sum of its proper divisors (79862192).

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

55410400 is a wasteful number, since it uses less digits than its factorization.

55410400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69283 (or 69270 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 55410400 is about 7443.8162255660. The cubic root of 55410400 is about 381.2388010685.

Adding to 55410400 its reverse (401455), we get a palindrome (55811855).

It can be divided in two parts, 5 and 5410400, that added together give a triangular number (5410405 = T3289).

The spelling of 55410400 in words is "fifty-five million, four hundred ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 69263 138526 277052 346315 554104 692630 1108208 1385260 1731575 2216416 2770520 3463150 5541040 6926300 11082080 13852600 27705200 55410400