55408134 has 16 divisors (see below), whose sum is σ = 117335088. Its totient is φ = 17382912.

The previous prime is 55408109. The next prime is 55408147. The reversal of 55408134 is 43180455.

55408134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55408134² = 6140122626723912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271507 + ... + 271710.

It is an arithmetic number, because the mean of its divisors is an integer number (7333443).

Almost surely, 2^55408134 is an apocalyptic number.

55408134 is an abundant number, since it is smaller than the sum of its proper divisors (61926954).

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

55408134 is a wasteful number, since it uses less digits than its factorization.

55408134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543239.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 55408134 is about 7443.6640171356. The cubic root of 55408134 is about 381.2336040965.

Adding to 55408134 its reverse (43180455), we get a palindrome (98588589).

The spelling of 55408134 in words is "fifty-five million, four hundred eight thousand, one hundred thirty-four".