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55252799 = 727192903
BaseRepresentation
bin1101001011000…
…1011100111111
310211222010120222
43102301130333
5103121042144
65252131555
71240432610
oct322613477
9124863528
1055252799
1129209278
1216606bbb
13b5a7284
1474a3c07
154cb62ee
hex34b173f

55252799 has 8 divisors (see below), whose sum is σ = 63191040. Its totient is φ = 47325816.

The previous prime is 55252793. The next prime is 55252811. The reversal of 55252799 is 99725255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55252799 - 212 = 55248703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55252793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17582 + ... + 20484.

It is an arithmetic number, because the mean of its divisors is an integer number (7898880).

Almost surely, 255252799 is an apocalyptic number.

55252799 is a deficient number, since it is larger than the sum of its proper divisors (7938241).

55252799 is a wasteful number, since it uses less digits than its factorization.

55252799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629.

The product of its digits is 283500, while the sum is 44.

The square root of 55252799 is about 7433.2226523897. Note that the first 3 decimals coincide. The cubic root of 55252799 is about 380.8770117610.

The spelling of 55252799 in words is "fifty-five million, two hundred fifty-two thousand, seven hundred ninety-nine".

Divisors: 1 7 2719 2903 19033 20321 7893257 55252799