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55957177493 = 711370742323
BaseRepresentation
bin110100000111010011…
…101100010010010101
312100102202022010212022
4310013103230102111
51404100014134433
641412324302525
74020446106110
oct640723542225
9170382263768
1055957177493
1121805405738
12aa17b41a45
135379cc4319
1429cb993577
1516c786e698
hexd074ec495

55957177493 has 8 divisors (see below), whose sum is σ = 64516999488. Its totient is φ = 47538840384.

The previous prime is 55957177429. The next prime is 55957177501. The reversal of 55957177493 is 39477175955.

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

It is not a de Polignac number, because 55957177493 - 26 = 55957177429 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 (55957177093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35370371 + ... + 35371952.

It is an arithmetic number, because the mean of its divisors is an integer number (8064624936).

Almost surely, 255957177493 is an apocalyptic number.

It is an amenable number.

55957177493 is a deficient number, since it is larger than the sum of its proper divisors (8559821995).

55957177493 is a wasteful number, since it uses less digits than its factorization.

55957177493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70742443.

The product of its digits is 41674500, while the sum is 62.

The spelling of 55957177493 in words is "fifty-five billion, nine hundred fifty-seven million, one hundred seventy-seven thousand, four hundred ninety-three".

Divisors: 1 7 113 791 70742323 495196261 7993882499 55957177493