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55742806736 = 2431559120101
BaseRepresentation
bin110011111010100001…
…111011101011010000
312022212210220222110122
4303322201323223100
51403130124303421
641335145445412
74012234016351
oct637241735320
9168783828418
1055742806736
11217053a7821
12a9781a0868
135344777c16
1429ab30dd28
1516b3b272ab
hexcfa87bad0

55742806736 has 40 divisors (see below), whose sum is σ = 111511100928. Its totient is φ = 26966160000.

The previous prime is 55742806733. The next prime is 55742806747. The reversal of 55742806736 is 63760824755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55742806733) 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, 2763086 + ... + 2783186.

Almost surely, 255742806736 is an apocalyptic number.

It is an amenable number.

55742806736 is an abundant number, since it is smaller than the sum of its proper divisors (55768294192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55742806736 is a wasteful number, since it uses less digits than its factorization.

55742806736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25731 (or 25725 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 55742806736 in words is "fifty-five billion, seven hundred forty-two million, eight hundred six thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 31 62 124 248 496 5591 11182 20101 22364 40202 44728 80404 89456 160808 173321 321616 346642 623131 693284 1246262 1386568 2492524 2773136 4985048 9970096 112384691 224769382 449538764 899077528 1798155056 3483925421 6967850842 13935701684 27871403368 55742806736