55363800 has 96 divisors (see below), whose sum is σ = 174966480. Its totient is φ = 14476800.

The previous prime is 55363751. The next prime is 55363801. The reversal of 55363800 is 836355.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55363801) 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, 30930 + ... + 32670.

Almost surely, 2^55363800 is an apocalyptic number.

55363800 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 55363800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87483240).

55363800 is an abundant number, since it is smaller than the sum of its proper divisors (119602680).

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

55363800 is a wasteful number, since it uses less digits than its factorization.

55363800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55363800 is about 7440.6854522954. The cubic root of 55363800 is about 381.1318974862.

The spelling of 55363800 in words is "fifty-five million, three hundred sixty-three thousand, eight hundred".