55755408 has 60 divisors (see below), whose sum is σ = 147847184. Its totient is φ = 18105600.

The previous prime is 55755407. The next prime is 55755409. The reversal of 55755408 is 80455755.

It is an interprime number because it is at equal distance from previous prime (55755407) and next prime (55755409).

It is not an unprimeable number, because it can be changed into a prime (55755407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80343 + ... + 81033.

Almost surely, 2^55755408 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 55755408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73923592).

55755408 is an abundant number, since it is smaller than the sum of its proper divisors (92091776).

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

55755408 is a wasteful number, since it uses less digits than its factorization.

55755408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 55755408 is about 7466.9543992179. The cubic root of 55755408 is about 382.0284145051.

The spelling of 55755408 in words is "fifty-five million, seven hundred fifty-five thousand, four hundred eight".