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55530025030 = 2531179129113
BaseRepresentation
bin110011101101110110…
…001111000001000110
312022022222112112211201
4303231312033001012
51402211141300110
641302105053114
74004041265464
oct635566170106
9168288475751
1055530025030
1121606284777
12a918a8719a
13530c666b9c
14298ad61834
1516a00e5b3a
hexcedd8f046

55530025030 has 16 divisors (see below), whose sum is σ = 103178369664. Its totient is φ = 21495493440.

The previous prime is 55530025027. The next prime is 55530025049. The reversal of 55530025030 is 3052003555.

It is a self number, because there is not a number n which added to its sum of digits gives 55530025030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89564247 + ... + 89564866.

It is an arithmetic number, because the mean of its divisors is an integer number (6448648104).

Almost surely, 255530025030 is an apocalyptic number.

55530025030 is a deficient number, since it is larger than the sum of its proper divisors (47648344634).

55530025030 is a wasteful number, since it uses less digits than its factorization.

55530025030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179129151.

The product of its (nonzero) digits is 11250, while the sum is 28.

Adding to 55530025030 its reverse (3052003555), we get a palindrome (58582028585).

The spelling of 55530025030 in words is "fifty-five billion, five hundred thirty million, twenty-five thousand, thirty".

Divisors: 1 2 5 10 31 62 155 310 179129113 358258226 895645565 1791291130 5553002503 11106005006 27765012515 55530025030