55481595 has 16 divisors (see below), whose sum is σ = 95599392. Its totient is φ = 27313920.

The previous prime is 55481593. The next prime is 55481597. The reversal of 55481595 is 59518455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55481593) and next prime (55481597).

It is not a de Polignac number, because 55481595 - 2¹ = 55481593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55481593) 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, 142066 + ... + 142455.

It is an arithmetic number, because the mean of its divisors is an integer number (5974962).

Almost surely, 2^55481595 is an apocalyptic number.

55481595 is a deficient number, since it is larger than the sum of its proper divisors (40117797).

55481595 is a wasteful number, since it uses less digits than its factorization.

55481595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284542.

The product of its digits is 180000, while the sum is 42.

The square root of 55481595 is about 7448.5968477291. The cubic root of 55481595 is about 381.4020115849.

The spelling of 55481595 in words is "fifty-five million, four hundred eighty-one thousand, five hundred ninety-five".