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55887908 = 22173797229
BaseRepresentation
bin1101010100110…
…0100000100100
310220011101210112
43111030200210
5103301403113
65313512152
71246016336
oct325144044
9126141715
1055887908
112960245a
1216872658
13b76a38b
1475cb456
154d8e5a8
hex354c824

55887908 has 48 divisors (see below), whose sum is σ = 107921520. Its totient is φ = 25214976.

The previous prime is 55887899. The next prime is 55887929. The reversal of 55887908 is 80978855.

It can be written as a sum of positive squares in 8 ways, for example, as 18335524 + 37552384 = 4282^2 + 6128^2 .

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, 243938 + ... + 244166.

It is an arithmetic number, because the mean of its divisors is an integer number (2248365).

Almost surely, 255887908 is an apocalyptic number.

It is an amenable number.

55887908 is a deficient number, since it is larger than the sum of its proper divisors (52033612).

55887908 is a wasteful number, since it uses less digits than its factorization.

55887908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 55887908 is about 7475.8215602033. The cubic root of 55887908 is about 382.3307990445.

The spelling of 55887908 in words is "fifty-five million, eight hundred eighty-seven thousand, nine hundred eight".

Divisors: 1 2 4 17 34 37 68 74 97 148 194 229 388 458 629 916 1258 1649 2516 3298 3589 3893 6596 7178 7786 8473 14356 15572 16946 22213 33892 44426 61013 88852 122026 144041 244052 288082 377621 576164 755242 821881 1510484 1643762 3287524 13971977 27943954 55887908