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53554552252525 = 524152248343661
BaseRepresentation
bin11000010110101001001000…
…00100000010100001101101
321000121202122211022210221201
430023110210010002201231
524004414210334040100
6305522342140125501
714165121505146562
oct1413244404024155
9230552584283851
1053554552252525
11160783a3644a85
12600b293236891
1323b62322b08bc
14d320a8882869
1562d12433c36a
hex30b52410286d

53554552252525 has 12 divisors (see below), whose sum is σ = 68027343447924. Its totient is φ = 41798674928000.

The previous prime is 53554552252459. The next prime is 53554552252529. The reversal of 53554552252525 is 52525225545535.

It can be written as a sum of positive squares in 6 ways, for example, as 1137270812041 + 52417281440484 = 1066429^2 + 7239978^2 .

It is not a de Polignac number, because 53554552252525 - 217 = 53554552121453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53554552252529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26124170806 + ... + 26124172855.

It is an arithmetic number, because the mean of its divisors is an integer number (5668945287327).

Almost surely, 253554552252525 is an apocalyptic number.

It is an amenable number.

53554552252525 is a deficient number, since it is larger than the sum of its proper divisors (14472791195399).

53554552252525 is a wasteful number, since it uses less digits than its factorization.

53554552252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52248343712 (or 52248343707 counting only the distinct ones).

The product of its digits is 75000000, while the sum is 55.

The spelling of 53554552252525 in words is "fifty-three trillion, five hundred fifty-four billion, five hundred fifty-two million, two hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 41 205 1025 52248343661 261241718305 1306208591525 2142182090101 10710910450505 53554552252525