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55498878724 = 2261219312
BaseRepresentation
bin110011101011111111…
…011010111100000100
312022020210221011010211
4303223333122330010
51402130203104344
641255033325204
74003212454102
oct635377327404
9168223834124
1055498878724
112159a741023
12a90a566804
135306080213
142986b74c72
15169c4e2334
hexcebfdaf04

55498878724 has 27 divisors (see below), whose sum is σ = 98792481333. Its totient is φ = 27280395600.

The previous prime is 55498878713. The next prime is 55498878737. The reversal of 55498878724 is 42787889455.

The square root of 55498878724 is 235582.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1804720324 + 53694158400 = 42482^2 + 231720^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55498878724.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28740039 + ... + 28741969.

Almost surely, 255498878724 is an apocalyptic number.

55498878724 is the 235582-nd square number.

It is an amenable number.

55498878724 is a deficient number, since it is larger than the sum of its proper divisors (43293602609).

55498878724 is an frugal number, since it uses more digits than its factorization.

55498878724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988 (or 1994 counting only the distinct ones).

The product of its digits is 180633600, while the sum is 67.

The spelling of 55498878724 in words is "fifty-five billion, four hundred ninety-eight million, eight hundred seventy-eight thousand, seven hundred twenty-four".

Divisors: 1 2 4 61 122 244 1931 3721 3862 7442 7724 14884 117791 235582 471164 3728761 7185251 7457522 14370502 14915044 28741004 227454421 454908842 909817684 13874719681 27749439362 55498878724