55346904 has 96 divisors (see below), whose sum is σ = 156723840. Its totient is φ = 17625600.

The previous prime is 55346887. The next prime is 55346909. The reversal of 55346904 is 40964355.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55346909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305694 + ... + 305874.

It is an arithmetic number, because the mean of its divisors is an integer number (1632540).

Almost surely, 2^55346904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55346904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78361920).

55346904 is an abundant number, since it is smaller than the sum of its proper divisors (101376936).

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

55346904 is a wasteful number, since it uses less digits than its factorization.

55346904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 55346904 is about 7439.5499863903. The cubic root of 55346904 is about 381.0931220907.

The spelling of 55346904 in words is "fifty-five million, three hundred forty-six thousand, nine hundred four".