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55708372 = 2261229997
BaseRepresentation
bin1101010010000…
…0101011010100
310212211021112001
43110200223110
5103230131442
65310005044
71244341036
oct324405324
9125737461
1055708372
112949a585
12167a6784
13b706745
147581c56
154d562b7
hex3520ad4

55708372 has 24 divisors (see below), whose sum is σ = 99620360. Its totient is φ = 27250560.

The previous prime is 55708363. The next prime is 55708379. The reversal of 55708372 is 27380755.

It can be written as a sum of positive squares in 4 ways, for example, as 15335056 + 40373316 = 3916^2 + 6354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55708379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55378 + ... + 56374.

Almost surely, 255708372 is an apocalyptic number.

It is an amenable number.

55708372 is a deficient number, since it is larger than the sum of its proper divisors (43911988).

55708372 is a wasteful number, since it uses less digits than its factorization.

55708372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1289 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 55708372 is about 7463.8041239036. The cubic root of 55708372 is about 381.9209562064.

The spelling of 55708372 in words is "fifty-five million, seven hundred eight thousand, three hundred seventy-two".

Divisors: 1 2 4 61 122 229 244 458 916 997 1994 3988 13969 27938 55876 60817 121634 228313 243268 456626 913252 13927093 27854186 55708372