55462081 has 4 divisors (see below), whose sum is σ = 55485892. Its totient is φ = 55438272.

The previous prime is 55462031. The next prime is 55462093. The reversal of 55462081 is 18026455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18026455 = 5 ⋅3605291.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 26946481 = 5340^2 + 5191^2 .

It is a cyclic number.

It is not a de Polignac number, because 55462081 - 2⁷ = 55461953 is a prime.

It is a super-2 number, since 2×55462081² = 6152084857701122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55462031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7980 + ... + 13213.

It is an arithmetic number, because the mean of its divisors is an integer number (13871473).

Almost surely, 2^55462081 is an apocalyptic number.

It is an amenable number.

55462081 is a deficient number, since it is larger than the sum of its proper divisors (23811).

55462081 is a wasteful number, since it uses less digits than its factorization.

55462081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 55462081 is about 7447.2868213867. The cubic root of 55462081 is about 381.3572907388.

The spelling of 55462081 in words is "fifty-five million, four hundred sixty-two thousand, eighty-one".