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55077464 = 23132272333
BaseRepresentation
bin1101001000011…
…0101001011000
310211122020002002
43102012221120
5103044434324
65244300132
71236102461
oct322065130
9124566062
1055077464
11290a9572
1216541648
13b545520
147459d68
154c7e3ae
hex3486a58

55077464 has 32 divisors (see below), whose sum is σ = 111751920. Its totient is φ = 25297536.

The previous prime is 55077431. The next prime is 55077511. The reversal of 55077464 is 46477055.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22442 + ... + 24774.

Almost surely, 255077464 is an apocalyptic number.

It is an amenable number.

55077464 is an abundant number, since it is smaller than the sum of its proper divisors (56674456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55077464 is a wasteful number, since it uses less digits than its factorization.

55077464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 55077464 is about 7421.4192712715. The cubic root of 55077464 is about 380.4737028718.

The spelling of 55077464 in words is "fifty-five million, seventy-seven thousand, four hundred sixty-four".

Divisors: 1 2 4 8 13 26 52 104 227 454 908 1816 2333 2951 4666 5902 9332 11804 18664 23608 30329 60658 121316 242632 529591 1059182 2118364 4236728 6884683 13769366 27538732 55077464