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55024930351 = 130342229417
BaseRepresentation
bin110011001111101111…
…011100111000101111
312021000210010002012101
4303033233130320233
51400142340232401
641140023115531
73655366122316
oct631757347057
9167023102171
1055024930351
1121377158656
12a7b78a2ba7
13525bb19bb1
14293dc4127d
151670ac3101
hexccfbdce2f

55024930351 has 4 divisors (see below), whose sum is σ = 55067161072. Its totient is φ = 54982699632.

The previous prime is 55024930327. The next prime is 55024930357. The reversal of 55024930351 is 15303942055.

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 55024930351 - 231 = 52877446703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55024930351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55024930357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21113406 + ... + 21116011.

It is an arithmetic number, because the mean of its divisors is an integer number (13766790268).

Almost surely, 255024930351 is an apocalyptic number.

55024930351 is a deficient number, since it is larger than the sum of its proper divisors (42230721).

55024930351 is a wasteful number, since it uses less digits than its factorization.

55024930351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42230720.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 55024930351 in words is "fifty-five billion, twenty-four million, nine hundred thirty thousand, three hundred fifty-one".

Divisors: 1 1303 42229417 55024930351