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55203427741 = 711716927633
BaseRepresentation
bin110011011010011000…
…010111010110011101
312021111012222200120211
4303122120113112131
51401024034141431
641205441012421
73662664252010
oct633230272635
9167435880524
1055203427741
1121458994360
12a847624111
135289ab5b57
142959827377
1516815d12b1
hexcda61759d

55203427741 has 8 divisors (see below), whose sum is σ = 68825052864. Its totient is φ = 43015657920.

The previous prime is 55203427729. The next prime is 55203427787. The reversal of 55203427741 is 14772430255.

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

It is a cyclic number.

It is not a de Polignac number, because 55203427741 - 25 = 55203427709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55203427694 and 55203427703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55203427541) 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, 358463740 + ... + 358463893.

It is an arithmetic number, because the mean of its divisors is an integer number (8603131608).

Almost surely, 255203427741 is an apocalyptic number.

It is an amenable number.

55203427741 is a deficient number, since it is larger than the sum of its proper divisors (13621625123).

55203427741 is a wasteful number, since it uses less digits than its factorization.

55203427741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716927651.

The product of its (nonzero) digits is 235200, while the sum is 40.

Adding to 55203427741 its reverse (14772430255), we get a palindrome (69975857996).

The spelling of 55203427741 in words is "fifty-five billion, two hundred three million, four hundred twenty-seven thousand, seven hundred forty-one".

Divisors: 1 7 11 77 716927633 5018493431 7886203963 55203427741