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55550154001 = 232415224087
BaseRepresentation
bin110011101111000011…
…000001010100010001
312022101101102012121011
4303233003001110101
51402231314412001
641304104330521
74004404342516
oct635703012421
9168341365534
1055550154001
1121616682991
12a923773a41
135313893c14
14298d8c130d
1516a1c6ed51
hexcef0c1511

55550154001 has 4 divisors (see below), whose sum is σ = 57965378112. Its totient is φ = 53134929892.

The previous prime is 55550153999. The next prime is 55550154007. The reversal of 55550154001 is 10045105555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55550154001 - 21 = 55550153999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55550154007) 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, 1207612021 + ... + 1207612066.

It is an arithmetic number, because the mean of its divisors is an integer number (14491344528).

Almost surely, 255550154001 is an apocalyptic number.

It is an amenable number.

55550154001 is a deficient number, since it is larger than the sum of its proper divisors (2415224111).

55550154001 is a wasteful number, since it uses less digits than its factorization.

55550154001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415224110.

The product of its (nonzero) digits is 12500, while the sum is 31.

Adding to 55550154001 its reverse (10045105555), we get a palindrome (65595259556).

The spelling of 55550154001 in words is "fifty-five billion, five hundred fifty million, one hundred fifty-four thousand, one".

Divisors: 1 23 2415224087 55550154001