Search a number
-
+
55740495784 = 2379876110067
BaseRepresentation
bin110011111010011001…
…000111011110101000
312022212122120120102211
4303322121013132220
51403124031331114
641335024134504
74012205253031
oct637231073650
9168778516384
1055740495784
1121704069546
12a977467434
1353441490ac
1429aacaba88
1516b381c6c4
hexcfa6477a8

55740495784 has 32 divisors (see below), whose sum is σ = 105858979200. Its totient is φ = 27511585920.

The previous prime is 55740495773. The next prime is 55740495799. The reversal of 55740495784 is 48759404755.

It is a super-2 number, since 2×557404957842 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

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, 5531919 + ... + 5541985.

It is an arithmetic number, because the mean of its divisors is an integer number (3308093100).

Almost surely, 255740495784 is an apocalyptic number.

It is an amenable number.

55740495784 is a deficient number, since it is larger than the sum of its proper divisors (50118483416).

55740495784 is a wasteful number, since it uses less digits than its factorization.

55740495784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18913 (or 18909 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 55740495784 in words is "fifty-five billion, seven hundred forty million, four hundred ninety-five thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 79 158 316 632 8761 10067 17522 20134 35044 40268 70088 80536 692119 795293 1384238 1590586 2768476 3181172 5536952 6362344 88196987 176393974 352787948 705575896 6967561973 13935123946 27870247892 55740495784