55411900 has 36 divisors (see below), whose sum is σ = 120976632. Its totient is φ = 22029760.

The previous prime is 55411877. The next prime is 55411901. The reversal of 55411900 is 911455.

55411900 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 2×55411900² = 6140957323220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55411901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15699 + ... + 18901.

It is an arithmetic number, because the mean of its divisors is an integer number (3360462).

Almost surely, 2^55411900 is an apocalyptic number.

55411900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55411900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60488316).

55411900 is an abundant number, since it is smaller than the sum of its proper divisors (65564732).

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

55411900 is a wasteful number, since it uses less digits than its factorization.

55411900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 55411900 is about 7443.9169796553. The cubic root of 55411900 is about 381.2422411751.

The spelling of 55411900 in words is "fifty-five million, four hundred eleven thousand, nine hundred".