55749424500 has 1152 divisors, whose sum is σ = 233532149760. Its totient is φ = 11275200000.

The previous prime is 55749424481. The next prime is 55749424517. The reversal of 55749424500 is 542494755.

55749424500 is a `hidden beast` number, since 5 + 57 + 4 + 94 + 2 + 4 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 551974450 + ... + 551974550.

It is an arithmetic number, because the mean of its divisors is an integer number (202718880).

Almost surely, 2^55749424500 is an apocalyptic number.

55749424500 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 55749424500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116766074880).

55749424500 is an abundant number, since it is smaller than the sum of its proper divisors (177782725260).

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

55749424500 is a wasteful number, since it uses less digits than its factorization.

55749424500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

It can be divided in two parts, 55749 and 424500, that added together give a square (480249 = 693²).

The spelling of 55749424500 in words is "fifty-five billion, seven hundred forty-nine million, four hundred twenty-four thousand, five hundred".