Search a number
-
+
54572774431 = 77796110633
BaseRepresentation
bin110010110100110010…
…100111010000011111
312012212021022011212211
4302310302213100133
51343231112240211
641023111541251
73641235633430
oct626462472037
9165767264784
1054572774431
11211649aa17a
12a6b038a827
1351b9246b06
1428d9b81487
15164605ae21
hexcb4ca741f

54572774431 has 4 divisors (see below), whose sum is σ = 62368885072. Its totient is φ = 46776663792.

The previous prime is 54572774423. The next prime is 54572774437. The reversal of 54572774431 is 13447727545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54572774431 - 23 = 54572774423 is a prime.

It is a super-2 number, since 2×545727744312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54572774437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3898055310 + ... + 3898055323.

It is an arithmetic number, because the mean of its divisors is an integer number (15592221268).

Almost surely, 254572774431 is an apocalyptic number.

54572774431 is a deficient number, since it is larger than the sum of its proper divisors (7796110641).

54572774431 is an equidigital number, since it uses as much as digits as its factorization.

54572774431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796110640.

The product of its digits is 3292800, while the sum is 49.

The spelling of 54572774431 in words is "fifty-four billion, five hundred seventy-two million, seven hundred seventy-four thousand, four hundred thirty-one".

Divisors: 1 7 7796110633 54572774431