Search a number
-
+
53375025 = 35211312087
BaseRepresentation
bin1100101110011…
…1000000110001
310201102201202210
43023213000301
5102131000100
65144002333
71215452214
oct313470061
9121381683
1053375025
11281464a0
1215a603a9
13b09a672
14713577b
154a44c50
hex32e7031

53375025 has 48 divisors (see below), whose sum is σ = 99422208. Its totient is φ = 25032000.

The previous prime is 53375017. The next prime is 53375039. The reversal of 53375025 is 52057335.

It is not a de Polignac number, because 53375025 - 23 = 53375017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53374983 and 53375001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24532 + ... + 26618.

It is an arithmetic number, because the mean of its divisors is an integer number (2071296).

Almost surely, 253375025 is an apocalyptic number.

53375025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53375025 is a deficient number, since it is larger than the sum of its proper divisors (46047183).

53375025 is a wasteful number, since it uses less digits than its factorization.

53375025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 53375025 is about 7305.8213090658. The cubic root of 53375025 is about 376.5124694067.

The spelling of 53375025 in words is "fifty-three million, three hundred seventy-five thousand, twenty-five".

Divisors: 1 3 5 11 15 25 31 33 55 75 93 155 165 275 341 465 775 825 1023 1705 2087 2325 5115 6261 8525 10435 22957 25575 31305 52175 64697 68871 114785 156525 194091 323485 344355 573925 711667 970455 1617425 1721775 2135001 3558335 4852275 10675005 17791675 53375025