Search a number
-
+
55783275830 = 256598464837
BaseRepresentation
bin110011111100111100…
…010011110100110110
312022222122002000121222
4303330330103310312
51403221004311310
641343153110342
74013235010142
oct637474236466
9168878060558
1055783275830
1121726228857
12a9898583b2
13534cc77129
1429b2846222
1516b746d055
hexcfcf13d36

55783275830 has 16 divisors (see below), whose sum is σ = 100562275440. Its totient is φ = 22279448352.

The previous prime is 55783275829. The next prime is 55783275871. The reversal of 55783275830 is 3857238755.

It is a super-2 number, since 2×557832758302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225829 + ... + 4239008.

It is an arithmetic number, because the mean of its divisors is an integer number (6285142215).

Almost surely, 255783275830 is an apocalyptic number.

55783275830 is a deficient number, since it is larger than the sum of its proper divisors (44778999610).

55783275830 is a wasteful number, since it uses less digits than its factorization.

55783275830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465503.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 55783275830 in words is "fifty-five billion, seven hundred eighty-three million, two hundred seventy-five thousand, eight hundred thirty".

Divisors: 1 2 5 10 659 1318 3295 6590 8464837 16929674 42324185 84648370 5578327583 11156655166 27891637915 55783275830