5446687457 has 4 divisors (see below), whose sum is σ = 5446867140. Its totient is φ = 5446507776.

The previous prime is 5446687451. The next prime is 5446687501. The reversal of 5446687457 is 7547866445.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1523418961 + 3923268496 = 39031^2 + 62636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5446687457 - 2¹⁴ = 5446671073 is a prime.

It is a super-2 number, since 2×5446687457² = 59332808508482253698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5446687451) 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, 31928 + ... + 109145.

It is an arithmetic number, because the mean of its divisors is an integer number (1361716785).

Almost surely, 2^5446687457 is an apocalyptic number.

It is an amenable number.

5446687457 is a deficient number, since it is larger than the sum of its proper divisors (179683).

5446687457 is a wasteful number, since it uses less digits than its factorization.

5446687457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179682.

The product of its digits is 22579200, while the sum is 56.

The square root of 5446687457 is about 73801.6765188976. The cubic root of 5446687457 is about 1759.4522504528.

The spelling of 5446687457 in words is "five billion, four hundred forty-six million, six hundred eighty-seven thousand, four hundred fifty-seven".