Search a number
-
+
55025830 = 255502583
BaseRepresentation
bin1101000111101…
…0000010100110
310211112121020201
43101322002212
5103041311310
65243221114
71235466106
oct321720246
9124477221
1055025830
11290737a2
121651779a
13b527b82
147445206
154c6de3a
hex347a0a6

55025830 has 8 divisors (see below), whose sum is σ = 99046512. Its totient is φ = 22010328.

The previous prime is 55025809. The next prime is 55025897. The reversal of 55025830 is 3852055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751282 + ... + 2751301.

It is an arithmetic number, because the mean of its divisors is an integer number (12380814).

Almost surely, 255025830 is an apocalyptic number.

55025830 is a deficient number, since it is larger than the sum of its proper divisors (44020682).

55025830 is a wasteful number, since it uses less digits than its factorization.

55025830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502590.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 55025830 is about 7417.9397409254. The cubic root of 55025830 is about 380.3547702510.

Adding to 55025830 its reverse (3852055), we get a palindrome (58877885).

It can be divided in two parts, 55025 and 830, that added together give a palindrome (55855).

The spelling of 55025830 in words is "fifty-five million, twenty-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 5502583 11005166 27512915 55025830