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55001432 = 2343915661
BaseRepresentation
bin1101000111010…
…0000101011000
310211111100210002
43101310011120
5103040021212
65242512132
71235335013
oct321640530
9124440702
1055001432
1129057432
1216505648
13b519a35
14743a37a
154c66ac2
hex3474158

55001432 has 16 divisors (see below), whose sum is σ = 103369200. Its totient is φ = 27436320.

The previous prime is 55001431. The next prime is 55001473. The reversal of 55001432 is 23410055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001431) 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 3 ways as a sum of consecutive naturals, for example, 4319 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (6460575).

Almost surely, 255001432 is an apocalyptic number.

It is an amenable number.

55001432 is a deficient number, since it is larger than the sum of its proper divisors (48367768).

55001432 is a wasteful number, since it uses less digits than its factorization.

55001432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106 (or 16102 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55001432 is about 7416.2950318876. The cubic root of 55001432 is about 380.2985465493.

Adding to 55001432 its reverse (23410055), we get a palindrome (78411487).

The spelling of 55001432 in words is "fifty-five million, one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 439 878 1756 3512 15661 31322 62644 125288 6875179 13750358 27500716 55001432