55060581 has 16 divisors (see below), whose sum is σ = 75559680. Its totient is φ = 35642880.

The previous prime is 55060573. The next prime is 55060583. The reversal of 55060581 is 18506055.

It is a happy number.

It is not a de Polignac number, because 55060581 - 2³ = 55060573 is a prime.

It is a super-2 number, since 2×55060581² = 6063335160115122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55060583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28461 + ... + 30333.

It is an arithmetic number, because the mean of its divisors is an integer number (4722480).

Almost surely, 2^55060581 is an apocalyptic number.

It is an amenable number.

55060581 is a deficient number, since it is larger than the sum of its proper divisors (20499099).

55060581 is a wasteful number, since it uses less digits than its factorization.

55060581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 55060581 is about 7420.2817331958. The cubic root of 55060581 is about 380.4348231225.

The spelling of 55060581 in words is "fifty-five million, sixty thousand, five hundred eighty-one".