55340912 has 40 divisors (see below), whose sum is σ = 118318320. Its totient is φ = 24865280.

The previous prime is 55340911. The next prime is 55340917. The reversal of 55340912 is 21904355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55340911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13898 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (2957958).

Almost surely, 2^55340912 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 55340912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59159160).

55340912 is an abundant number, since it is smaller than the sum of its proper divisors (62977408).

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

55340912 is a wasteful number, since it uses less digits than its factorization.

55340912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 55340912 is about 7439.1472629596. The cubic root of 55340912 is about 381.0793688830.

The spelling of 55340912 in words is "fifty-five million, three hundred forty thousand, nine hundred twelve".