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55530050025 = 352740400667
BaseRepresentation
bin110011101101110110…
…010101000111101001
312022022222120211010110
4303231312111013221
51402211143100100
641302105404533
74004041431402
oct635566250751
9168288524113
1055530050025
11216062a152a
12a918a99749
13530c675388
14298ad6a9a9
1516a00ed250
hexcedd951e9

55530050025 has 12 divisors (see below), whose sum is σ = 91809682832. Its totient is φ = 29616026640.

The previous prime is 55530050021. The next prime is 55530050033. The reversal of 55530050025 is 52005003555.

It is not a de Polignac number, because 55530050025 - 22 = 55530050021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55530049974 and 55530050001.

It is not an unprimeable number, because it can be changed into a prime (55530050021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370200259 + ... + 370200408.

Almost surely, 255530050025 is an apocalyptic number.

It is an amenable number.

55530050025 is a deficient number, since it is larger than the sum of its proper divisors (36279632807).

55530050025 is a wasteful number, since it uses less digits than its factorization.

55530050025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740400680 (or 740400675 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 55530050025 in words is "fifty-five billion, five hundred thirty million, fifty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 740400667 2221202001 3702003335 11106010005 18510016675 55530050025