Search a number
-
+
55525379 = 7213671301
BaseRepresentation
bin1101001111010…
…0000000000011
310212110222111112
43103310000003
5103203303004
65302033535
71242646400
oct323640003
9125428445
1055525379
1129385048
12167188ab
13b671370
1475352a7
154d1be6e
hex34f4003

55525379 has 24 divisors (see below), whose sum is σ = 70651728. Its totient is φ = 43243200.

The previous prime is 55525367. The next prime is 55525399. The reversal of 55525379 is 97352555.

It is not a de Polignac number, because 55525379 - 216 = 55459843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55525399) 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, 42029 + ... + 43329.

It is an arithmetic number, because the mean of its divisors is an integer number (2943822).

Almost surely, 255525379 is an apocalyptic number.

55525379 is a deficient number, since it is larger than the sum of its proper divisors (15126349).

55525379 is a wasteful number, since it uses less digits than its factorization.

55525379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1388 counting only the distinct ones).

The product of its digits is 236250, while the sum is 41.

The square root of 55525379 is about 7451.5353451487. The cubic root of 55525379 is about 381.5023146059.

The spelling of 55525379 in words is "fifty-five million, five hundred twenty-five thousand, three hundred seventy-nine".

Divisors: 1 7 13 49 67 91 469 637 871 1301 3283 6097 9107 16913 42679 63749 87167 118391 610169 828737 1133171 4271183 7932197 55525379