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55385517037 = 2292089115777
BaseRepresentation
bin110011100101001110…
…111110101111101101
312021221220121210010211
4303211032332233231
51401412143021122
641235503502421
74000335061414
oct634516765755
9167856553124
1055385517037
1121541753784
12a8985b7a11
1352b873b9b6
142975aa647b
15169259d877
hexce53bebed

55385517037 has 8 divisors (see below), whose sum is σ = 55654484600. Its totient is φ = 55116785664.

The previous prime is 55385517017. The next prime is 55385517053. The reversal of 55385517037 is 73071558355.

It can be written as a sum of positive squares in 4 ways, for example, as 19626328836 + 35759188201 = 140094^2 + 189101^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55385517037 - 227 = 55251299309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55385517017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420493 + ... + 536269.

It is an arithmetic number, because the mean of its divisors is an integer number (6956810575).

Almost surely, 255385517037 is an apocalyptic number.

It is an amenable number.

55385517037 is a deficient number, since it is larger than the sum of its proper divisors (268967563).

55385517037 is a wasteful number, since it uses less digits than its factorization.

55385517037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118095.

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 55385517037 in words is "fifty-five billion, three hundred eighty-five million, five hundred seventeen thousand, thirty-seven".

Divisors: 1 229 2089 115777 478381 26512933 241858153 55385517037