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56377525 = 52171091217
BaseRepresentation
bin1101011100010…
…0000010110101
310221002021102111
43113010002311
5103413040100
65332211021
71253125651
oct327040265
9127067374
1056377525
11299072a6
1216a69a71
13b8ac1a9
1476b7a61
154e396ba
hex35c40b5

56377525 has 24 divisors (see below), whose sum is σ = 74760840. Its totient is φ = 42024960.

The previous prime is 56377523. The next prime is 56377547. The reversal of 56377525 is 52577365.

It can be written as a sum of positive squares in 12 ways, for example, as 7349521 + 49028004 = 2711^2 + 7002^2 .

It is not a de Polignac number, because 56377525 - 21 = 56377523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56377523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45717 + ... + 46933.

It is an arithmetic number, because the mean of its divisors is an integer number (3115035).

Almost surely, 256377525 is an apocalyptic number.

It is an amenable number.

56377525 is a deficient number, since it is larger than the sum of its proper divisors (18383315).

56377525 is a wasteful number, since it uses less digits than its factorization.

56377525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1348 counting only the distinct ones).

The product of its digits is 220500, while the sum is 40.

The square root of 56377525 is about 7508.4968535653. The cubic root of 56377525 is about 383.4440490950. Note that the first 3 decimals are identical.

The spelling of 56377525 in words is "fifty-six million, three hundred seventy-seven thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 109 425 545 1217 1853 2725 6085 9265 20689 30425 46325 103445 132653 517225 663265 2255101 3316325 11275505 56377525