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55270488 = 23371325307
BaseRepresentation
bin1101001011010…
…1110001011000
310212000000212010
43102311301120
5103122123423
65252345520
71240535310
oct322656130
9125000763
1055270488
1129220599
12166152a0
13b5b2340
1474aa440
154cbb693
hex34b5c58

55270488 has 64 divisors (see below), whose sum is σ = 170069760. Its totient is φ = 14576256.

The previous prime is 55270477. The next prime is 55270493. The reversal of 55270488 is 88407255.

55270488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10470 + ... + 14837.

It is an arithmetic number, because the mean of its divisors is an integer number (2657340).

Almost surely, 255270488 is an apocalyptic number.

It is an amenable number.

55270488 is an abundant number, since it is smaller than the sum of its proper divisors (114799272).

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

55270488 is a wasteful number, since it uses less digits than its factorization.

55270488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25336 (or 25332 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 55270488 is about 7434.4124179386. The cubic root of 55270488 is about 380.9176529275.

The spelling of 55270488 in words is "fifty-five million, two hundred seventy thousand, four hundred eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 25307 50614 75921 101228 151842 177149 202456 303684 328991 354298 531447 607368 657982 708596 986973 1062894 1315964 1417192 1973946 2125788 2302937 2631928 3947892 4251576 4605874 6908811 7895784 9211748 13817622 18423496 27635244 55270488