55754622450 has 54 divisors (see below), whose sum is σ = 149807544237. Its totient is φ = 14866563600.

The previous prime is 55754622449. The next prime is 55754622457. The reversal of 55754622450 is 5422645755.

55754622450 is a `hidden beast` number, since 5 + 57 + 546 + 2 + 2 + 4 + 50 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54639530001 + 1115092449 = 233751^2 + 33393^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=166965.

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

It is a junction number, because it is equal to n+sod(n) for n = 55754622396 and 55754622405.

It is not an unprimeable number, because it can be changed into a prime (55754622457) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5003385 + ... + 5014515.

Almost surely, 2^55754622450 is an apocalyptic number.

55754622450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55754622450 is an abundant number, since it is smaller than the sum of its proper divisors (94052921787).

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

55754622450 is an equidigital number, since it uses as much as digits as its factorization.

55754622450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280 (or 11141 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 45.

The spelling of 55754622450 in words is "fifty-five billion, seven hundred fifty-four million, six hundred twenty-two thousand, four hundred fifty".