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55528892 = 2227774999
BaseRepresentation
bin1101001111010…
…0110110111100
310212111011022122
43103310312330
5103203411032
65302102112
71242662546
oct323646674
9125434278
1055528892
1129387751
121671a938
13b672b43
147536696
154d1d012
hex34f4dbc

55528892 has 12 divisors (see below), whose sum is σ = 97230000. Its totient is φ = 27748896.

The previous prime is 55528829. The next prime is 55528901. The reversal of 55528892 is 29882555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8609 + ... + 13607.

It is an arithmetic number, because the mean of its divisors is an integer number (8102500).

Almost surely, 255528892 is an apocalyptic number.

It is an amenable number.

55528892 is a deficient number, since it is larger than the sum of its proper divisors (41701108).

55528892 is a wasteful number, since it uses less digits than its factorization.

55528892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7780 (or 7778 counting only the distinct ones).

The product of its digits is 288000, while the sum is 44.

The square root of 55528892 is about 7451.7710646530. The cubic root of 55528892 is about 381.5103601123.

The spelling of 55528892 in words is "fifty-five million, five hundred twenty-eight thousand, eight hundred ninety-two".

Divisors: 1 2 4 2777 4999 5554 9998 11108 19996 13882223 27764446 55528892