55375386 has 32 divisors (see below), whose sum is σ = 127180800. Its totient is φ = 15896880.

The previous prime is 55375381. The next prime is 55375399. The reversal of 55375386 is 68357355.

It is not an unprimeable number, because it can be changed into a prime (55375381) 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, 20826 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (3974400).

Almost surely, 2^55375386 is an apocalyptic number.

55375386 is an abundant number, since it is smaller than the sum of its proper divisors (71805414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55375386 is a wasteful number, since it uses less digits than its factorization.

55375386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44194.

The product of its digits is 378000, while the sum is 42.

The square root of 55375386 is about 7441.4639688706. The cubic root of 55375386 is about 381.1584821629.

The spelling of 55375386 in words is "fifty-five million, three hundred seventy-five thousand, three hundred eighty-six".