54610581 has 4 divisors (see below), whose sum is σ = 72814112. Its totient is φ = 36407052.

The previous prime is 54610531. The next prime is 54610583. The reversal of 54610581 is 18501645.

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 not a de Polignac number, because 54610581 - 2⁷ = 54610453 is a prime.

It is a super-2 number, since 2×54610581² = 5964631114315122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54610583) 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, 9101761 + ... + 9101766.

It is an arithmetic number, because the mean of its divisors is an integer number (18203528).

Almost surely, 2^54610581 is an apocalyptic number.

It is an amenable number.

54610581 is a deficient number, since it is larger than the sum of its proper divisors (18203531).

54610581 is a wasteful number, since it uses less digits than its factorization.

54610581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18203530.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 54610581 is about 7389.8972252664. The cubic root of 54610581 is about 379.3955788328.

The spelling of 54610581 in words is "fifty-four million, six hundred ten thousand, five hundred eighty-one".