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53433525025 = 523757765973
BaseRepresentation
bin110001110000111000…
…101110001100100001
312002220212121022111101
4301300320232030201
51333412440300100
640314053514401
73601063316536
oct616070561441
9162825538441
1053433525025
112072a917241
12a432942a01
13506720313a
14282c746d8d
1515cb02086a
hexc70e2e321

53433525025 has 12 divisors (see below), whose sum is σ = 68048317372. Its totient is φ = 41591499840.

The previous prime is 53433525023. The next prime is 53433525049. The reversal of 53433525025 is 52052533435.

It can be written as a sum of positive squares in 6 ways, for example, as 8163303201 + 45270221824 = 90351^2 + 212768^2 .

It is not a de Polignac number, because 53433525025 - 21 = 53433525023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53433525023) 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, 28882062 + ... + 28883911.

Almost surely, 253433525025 is an apocalyptic number.

It is an amenable number.

53433525025 is a deficient number, since it is larger than the sum of its proper divisors (14614792347).

53433525025 is a wasteful number, since it uses less digits than its factorization.

53433525025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57766020 (or 57766015 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 37.

The spelling of 53433525025 in words is "fifty-three billion, four hundred thirty-three million, five hundred twenty-five thousand, twenty-five".

Divisors: 1 5 25 37 185 925 57765973 288829865 1444149325 2137341001 10686705005 53433525025