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55790995413 = 389208955039
BaseRepresentation
bin110011111101011001…
…110000011111010101
312100000011121012220110
4303331121300133111
51403224443323123
641344030353233
74013360431206
oct637531603725
9170004535813
1055790995413
112172a62067a
12a99035b819
13535174aa2a
1429b38955ad
1516b7e95493
hexcfd6707d5

55790995413 has 8 divisors (see below), whose sum is σ = 75223814400. Its totient is φ = 36776086688.

The previous prime is 55790995411. The next prime is 55790995451. The reversal of 55790995413 is 31459909755.

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 55790995413 - 21 = 55790995411 is a prime.

It is a super-3 number, since 3×557909954133 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55790995411) 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, 104477253 + ... + 104477786.

It is an arithmetic number, because the mean of its divisors is an integer number (9402976800).

Almost surely, 255790995413 is an apocalyptic number.

It is an amenable number.

55790995413 is a deficient number, since it is larger than the sum of its proper divisors (19432818987).

55790995413 is a wasteful number, since it uses less digits than its factorization.

55790995413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208955131.

The product of its (nonzero) digits is 7654500, while the sum is 57.

The spelling of 55790995413 in words is "fifty-five billion, seven hundred ninety million, nine hundred ninety-five thousand, four hundred thirteen".

Divisors: 1 3 89 267 208955039 626865117 18596998471 55790995413