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55756929 = 3177710459
BaseRepresentation
bin1101010010110…
…0100010000001
310212220202010110
43110230202001
5103233210204
65311021533
71244632434
oct324544201
9125822113
1055756929
1129523008
121680a8a9
13b722887
14759581b
154d65889
hex352c881

55756929 has 8 divisors (see below), whose sum is σ = 74391520. Its totient is φ = 37146816.

The previous prime is 55756927. The next prime is 55756979. The reversal of 55756929 is 92965755.

It is a happy number.

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

It is not a de Polignac number, because 55756929 - 21 = 55756927 is a prime.

It is a super-2 number, since 2×557569292 = 6217670263022082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55756927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102 + ... + 10560.

It is an arithmetic number, because the mean of its divisors is an integer number (9298940).

Almost surely, 255756929 is an apocalyptic number.

It is an amenable number.

55756929 is a deficient number, since it is larger than the sum of its proper divisors (18634591).

55756929 is a wasteful number, since it uses less digits than its factorization.

55756929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12239.

The product of its digits is 850500, while the sum is 48.

The square root of 55756929 is about 7467.0562472771. The cubic root of 55756929 is about 382.0318883680.

The spelling of 55756929 in words is "fifty-five million, seven hundred fifty-six thousand, nine hundred twenty-nine".

Divisors: 1 3 1777 5331 10459 31377 18585643 55756929