55375434 has 32 divisors (see below), whose sum is σ = 125081280. Its totient is φ = 18154800.

The previous prime is 55375427. The next prime is 55375451. The reversal of 55375434 is 43457355.

55375434 is a `hidden beast` number, since 553 + 75 + 4 + 34 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5112 + ... + 11699.

It is an arithmetic number, because the mean of its divisors is an integer number (3908790).

Almost surely, 2^55375434 is an apocalyptic number.

55375434 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55375434 is an abundant number, since it is smaller than the sum of its proper divisors (69705846).

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

55375434 is a wasteful number, since it uses less digits than its factorization.

55375434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16883 (or 16877 counting only the distinct ones).

The product of its digits is 126000, while the sum is 36.

The square root of 55375434 is about 7441.4671940418. The cubic root of 55375434 is about 381.1585922937.

The spelling of 55375434 in words is "fifty-five million, three hundred seventy-five thousand, four hundred thirty-four".