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55451415458 = 227725707729
BaseRepresentation
bin110011101001001010…
…010111001110100010
312022010111121202210002
4303221022113032202
51402031030243313
641250220140002
74002065153165
oct635112271642
9168114552702
1055451415458
112157597318a
12a8b6697602
1352c92a264a
14298073badc
151698269058
hexce92973a2

55451415458 has 4 divisors (see below), whose sum is σ = 83177123190. Its totient is φ = 27725707728.

The previous prime is 55451415457. The next prime is 55451415577. The reversal of 55451415458 is 85451415455.

It is a happy number.

55451415458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 49130052409 + 6321363049 = 221653^2 + 79507^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55451415457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862853863 + ... + 13862853866.

Almost surely, 255451415458 is an apocalyptic number.

55451415458 is a deficient number, since it is larger than the sum of its proper divisors (27725707732).

55451415458 is a wasteful number, since it uses less digits than its factorization.

55451415458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725707731.

The product of its digits is 1600000, while the sum is 47.

The spelling of 55451415458 in words is "fifty-five billion, four hundred fifty-one million, four hundred fifteen thousand, four hundred fifty-eight".

Divisors: 1 2 27725707729 55451415458