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55285248 = 29335993
BaseRepresentation
bin1101001011100…
…1011000000000
310212000210002210
43102321120000
5103123111443
65252542120
71240626324
oct322713000
9125023083
1055285248
1129230697
1216621940
13b5b8c85
1474b1984
154cc0c33
hex34b9600

55285248 has 40 divisors (see below), whose sum is σ = 147287448. Its totient is φ = 18427904.

The previous prime is 55285213. The next prime is 55285249. The reversal of 55285248 is 84258255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55285249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16461 + ... + 19532.

Almost surely, 255285248 is an apocalyptic number.

It is an amenable number.

55285248 is an abundant number, since it is smaller than the sum of its proper divisors (92002200).

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

55285248 is an equidigital number, since it uses as much as digits as its factorization.

55285248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36014 (or 35998 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

The square root of 55285248 is about 7435.4050326798. The cubic root of 55285248 is about 380.9515579665.

The spelling of 55285248 in words is "fifty-five million, two hundred eighty-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 35993 71986 107979 143972 215958 287944 431916 575888 863832 1151776 1727664 2303552 3455328 4607104 6910656 9214208 13821312 18428416 27642624 55285248