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55406967 = 3711239857
BaseRepresentation
bin1101001101011…
…1000101110111
310212020222001220
43103113011313
5103141010332
65255321423
71241644230
oct323270567
9125228056
1055406967
1129304090
1216680273
13b62c4b5
147504087
154ce6d2c
hex34d7177

55406967 has 16 divisors (see below), whose sum is σ = 92105472. Its totient is φ = 28782720.

The previous prime is 55406963. The next prime is 55406969. The reversal of 55406967 is 76960455.

It is not a de Polignac number, because 55406967 - 22 = 55406963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55406963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119698 + ... + 120159.

It is an arithmetic number, because the mean of its divisors is an integer number (5756592).

Almost surely, 255406967 is an apocalyptic number.

55406967 is a deficient number, since it is larger than the sum of its proper divisors (36698505).

55406967 is a wasteful number, since it uses less digits than its factorization.

55406967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239878.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 55406967 is about 7443.5856279081. The cubic root of 55406967 is about 381.2309275777.

The spelling of 55406967 in words is "fifty-five million, four hundred six thousand, nine hundred sixty-seven".

Divisors: 1 3 7 11 21 33 77 231 239857 719571 1678999 2638427 5036997 7915281 18468989 55406967