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55792185691 = 1142239120079
BaseRepresentation
bin110011111101011110…
…010011000101011011
312100000020211200122211
4303331132103011123
51403230244420231
641344112055551
74013403516334
oct637536230533
9170006750584
1055792185691
1121730263980
12a9908345b7
135351a76738
1429b3ac528b
1516b812ceb1
hexcfd79315b

55792185691 has 8 divisors (see below), whose sum is σ = 60866150400. Its totient is φ = 50718545640.

The previous prime is 55792185689. The next prime is 55792185733. The reversal of 55792185691 is 19658129755.

It is a happy number.

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 55792185691 - 21 = 55792185689 is a prime.

It is a super-2 number, since 2×557921856912 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55792185661) 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, 404590 + ... + 524668.

It is an arithmetic number, because the mean of its divisors is an integer number (7608268800).

Almost surely, 255792185691 is an apocalyptic number.

55792185691 is a deficient number, since it is larger than the sum of its proper divisors (5073964709).

55792185691 is a wasteful number, since it uses less digits than its factorization.

55792185691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162329.

The product of its digits is 6804000, while the sum is 58.

The spelling of 55792185691 in words is "fifty-five billion, seven hundred ninety-two million, one hundred eighty-five thousand, six hundred ninety-one".

Divisors: 1 11 42239 120079 464629 1320869 5072016881 55792185691