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55486529837 = 232412457819
BaseRepresentation
bin110011101011010000…
…010100000100101101
312022012221200202122122
4303223100110010231
51402114022423322
641253512522325
74003002502364
oct635320240455
9168187622578
1055486529837
1121593777132
12a9063b03a5
13530364849b
14298527c7db
15169b3a3442
hexceb41412d

55486529837 has 4 divisors (see below), whose sum is σ = 57898987680. Its totient is φ = 53074071996.

The previous prime is 55486529831. The next prime is 55486529849. The reversal of 55486529837 is 73892568455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55486529837 - 222 = 55482335533 is a prime.

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 55486529837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55486529831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206228887 + ... + 1206228932.

It is an arithmetic number, because the mean of its divisors is an integer number (14474746920).

Almost surely, 255486529837 is an apocalyptic number.

It is an amenable number.

55486529837 is a deficient number, since it is larger than the sum of its proper divisors (2412457843).

55486529837 is a wasteful number, since it uses less digits than its factorization.

55486529837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412457842.

The product of its digits is 72576000, while the sum is 62.

The spelling of 55486529837 in words is "fifty-five billion, four hundred eighty-six million, five hundred twenty-nine thousand, eight hundred thirty-seven".

Divisors: 1 23 2412457819 55486529837