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55402929 = 3223267647
BaseRepresentation
bin1101001101011…
…0000110110001
310212020202112100
43103112012301
5103140343204
65255251013
71241626401
oct323260661
9125222470
1055402929
112930104a
1216679a69
13b62a6ca
147502801
154ce5a39
hex34d61b1

55402929 has 12 divisors (see below), whose sum is σ = 83506176. Its totient is φ = 35329272.

The previous prime is 55402927. The next prime is 55402943. The reversal of 55402929 is 92920455.

It is a happy number.

55402929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55402929 - 21 = 55402927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55402893 and 55402902.

It is not an unprimeable number, because it can be changed into a prime (55402927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133617 + ... + 134030.

It is an arithmetic number, because the mean of its divisors is an integer number (6958848).

Almost surely, 255402929 is an apocalyptic number.

It is an amenable number.

55402929 is a deficient number, since it is larger than the sum of its proper divisors (28103247).

55402929 is a wasteful number, since it uses less digits than its factorization.

55402929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267676 (or 267673 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 55402929 is about 7443.3143827196. The cubic root of 55402929 is about 381.2216661197.

The spelling of 55402929 in words is "fifty-five million, four hundred two thousand, nine hundred twenty-nine".

Divisors: 1 3 9 23 69 207 267647 802941 2408823 6155881 18467643 55402929