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55580152 = 236947519
BaseRepresentation
bin1101010000000…
…1010111111000
310212120202122011
43110001113320
5103212031102
65303135304
71243265155
oct324012770
9125522564
1055580152
1129412211
1216744534
13b690284
14754b22c
154d2d2d7
hex35015f8

55580152 has 8 divisors (see below), whose sum is σ = 104212800. Its totient is φ = 27790072.

The previous prime is 55580141. The next prime is 55580159. The reversal of 55580152 is 25108555.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55580159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3473752 + ... + 3473767.

It is an arithmetic number, because the mean of its divisors is an integer number (13026600).

Almost surely, 255580152 is an apocalyptic number.

It is an amenable number.

55580152 is a deficient number, since it is larger than the sum of its proper divisors (48632648).

55580152 is a wasteful number, since it uses less digits than its factorization.

55580152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6947525 (or 6947521 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The square root of 55580152 is about 7455.2097220668. The cubic root of 55580152 is about 381.6277176766.

The spelling of 55580152 in words is "fifty-five million, five hundred eighty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 6947519 13895038 27790076 55580152