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55012122053 = 713159991409
BaseRepresentation
bin110011001110111110…
…100101110111000101
312020222220000100111222
4303032332211313011
51400131100401203
641134444410125
73655152215330
oct631676456705
9166886010458
1055012122053
112136a9aa589
12a7b3546945
135259284015
14293c269617
15166e8e3038
hexccefa5dc5

55012122053 has 8 divisors (see below), whose sum is σ = 63350928960. Its totient is φ = 46793298240.

The previous prime is 55012122047. The next prime is 55012122071. The reversal of 55012122053 is 35022121055.

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 55012122053 - 24 = 55012122037 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 (55012122023) 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, 29994788 + ... + 29996621.

It is an arithmetic number, because the mean of its divisors is an integer number (7918866120).

Almost surely, 255012122053 is an apocalyptic number.

It is an amenable number.

55012122053 is a deficient number, since it is larger than the sum of its proper divisors (8338806907).

55012122053 is a wasteful number, since it uses less digits than its factorization.

55012122053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59991547.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 55012122053 in words is "fifty-five billion, twelve million, one hundred twenty-two thousand, fifty-three".

Divisors: 1 7 131 917 59991409 419939863 7858874579 55012122053