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55011051007 = 115001004637
BaseRepresentation
bin110011001110111010…
…100000010111111111
312020222210222221022121
4303032322200113333
51400130312113012
641134405423411
73655140134623
oct631672402777
9166883887277
1055011051007
112136a338920
12a7b310ab67
135258c9a673
14293c06b183
15166e780a07
hexcceea05ff

55011051007 has 4 divisors (see below), whose sum is σ = 60012055656. Its totient is φ = 50010046360.

The previous prime is 55011050917. The next prime is 55011051013. The reversal of 55011051007 is 70015011055.

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 55011051007 - 215 = 55011018239 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 (55011051047) 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, 2500502308 + ... + 2500502329.

It is an arithmetic number, because the mean of its divisors is an integer number (15003013914).

Almost surely, 255011051007 is an apocalyptic number.

55011051007 is a deficient number, since it is larger than the sum of its proper divisors (5001004649).

55011051007 is a wasteful number, since it uses less digits than its factorization.

55011051007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001004648.

The product of its (nonzero) digits is 875, while the sum is 25.

The spelling of 55011051007 in words is "fifty-five billion, eleven million, fifty-one thousand, seven".

Divisors: 1 11 5001004637 55011051007