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55788874 = 237017537
BaseRepresentation
bin1101010011010…
…0010101001010
310212222100221121
43110310111022
5103240220444
65311425454
71245124531
oct324642512
9125870847
1055788874
1129545009
121682528a
13b73428b
1475a3318
154d70084
hex353454a

55788874 has 8 divisors (see below), whose sum is σ = 83717028. Its totient is φ = 27883200.

The previous prime is 55788853. The next prime is 55788877. The reversal of 55788874 is 47888755.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55398249 + 390625 = 7443^2 + 625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×557888742 = 6224796924375752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55788877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3634 + ... + 11170.

Almost surely, 255788874 is an apocalyptic number.

55788874 is a deficient number, since it is larger than the sum of its proper divisors (27928154).

55788874 is a wasteful number, since it uses less digits than its factorization.

55788874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240.

The product of its digits is 2508800, while the sum is 52.

The square root of 55788874 is about 7469.1950034793. The cubic root of 55788874 is about 382.1048340326.

The spelling of 55788874 in words is "fifty-five million, seven hundred eighty-eight thousand, eight hundred seventy-four".

Divisors: 1 2 3701 7402 7537 15074 27894437 55788874