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55750002774 = 2319348143353
BaseRepresentation
bin110011111010111101…
…011000100001010110
312022220022110120120120
4303322331120201112
51403134000042044
641340004012410
74012352130144
oct637275304126
9168808416516
1055750002774
1121709472264
12a97a691106
1353460c742b
1429ac264594
1516b4599519
hexcfaf58856

55750002774 has 16 divisors (see below), whose sum is σ = 112077728112. Its totient is φ = 18487047168.

The previous prime is 55750002761. The next prime is 55750002829. The reversal of 55750002774 is 47720005755.

It is a Curzon number.

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, 24070519 + ... + 24072834.

It is an arithmetic number, because the mean of its divisors is an integer number (7004858007).

Almost surely, 255750002774 is an apocalyptic number.

55750002774 is an abundant number, since it is smaller than the sum of its proper divisors (56327725338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55750002774 is a wasteful number, since it uses less digits than its factorization.

55750002774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48143551.

The product of its (nonzero) digits is 343000, while the sum is 42.

The spelling of 55750002774 in words is "fifty-five billion, seven hundred fifty million, two thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 193 386 579 1158 48143353 96286706 144430059 288860118 9291667129 18583334258 27875001387 55750002774