55363040 has 48 divisors (see below), whose sum is σ = 131453280. Its totient is φ = 22033920.

The previous prime is 55363027. The next prime is 55363043. The reversal of 55363040 is 4036355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55363043) 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, 35885 + ... + 37395.

It is an arithmetic number, because the mean of its divisors is an integer number (2738610).

Almost surely, 2^55363040 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 55363040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65726640).

55363040 is an abundant number, since it is smaller than the sum of its proper divisors (76090240).

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

55363040 is a wasteful number, since it uses less digits than its factorization.

55363040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1747 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 55363040 is about 7440.6343815565. The cubic root of 55363040 is about 381.1301534973.

Adding to 55363040 its reverse (4036355), we get a palindrome (59399395).

The spelling of 55363040 in words is "fifty-five million, three hundred sixty-three thousand, forty".