Search a number
-
+
55970025 = 352746267
BaseRepresentation
bin1101010110000…
…0100011101001
310220022120102220
43111200203221
5103312020100
65315344253
71246510626
oct325404351
9126276386
1055970025
1129659121
12168b2089
13b798877
14760d34d
154da8aa0
hex35608e9

55970025 has 12 divisors (see below), whose sum is σ = 92537232. Its totient is φ = 29850640.

The previous prime is 55970009. The next prime is 55970039. The reversal of 55970025 is 52007955.

It is not a de Polignac number, because 55970025 - 24 = 55970009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373059 + ... + 373208.

It is an arithmetic number, because the mean of its divisors is an integer number (7711436).

Almost surely, 255970025 is an apocalyptic number.

It is an amenable number.

55970025 is a deficient number, since it is larger than the sum of its proper divisors (36567207).

55970025 is a wasteful number, since it uses less digits than its factorization.

55970025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746280 (or 746275 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 55970025 is about 7481.3117165374. The cubic root of 55970025 is about 382.5179623330.

The spelling of 55970025 in words is "fifty-five million, nine hundred seventy thousand, twenty-five".

Divisors: 1 3 5 15 25 75 746267 2238801 3731335 11194005 18656675 55970025