55754280 has 48 divisors (see below), whose sum is σ = 181202580. Its totient is φ = 14867712.

The previous prime is 55754249. The next prime is 55754287. The reversal of 55754280 is 8245755.

It is a happy number.

55754280 is a `hidden beast` number, since 5 + 575 + 4 + 2 + 80 = 666.

55754280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55442916 + 311364 = 7446^2 + 558^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55754287) 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, 77077 + ... + 77796.

Almost surely, 2^55754280 is an apocalyptic number.

It is an amenable number.

55754280 is an abundant number, since it is smaller than the sum of its proper divisors (125448300).

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

55754280 is a wasteful number, since it uses less digits than its factorization.

55754280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154890 (or 154883 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 55754280 is about 7466.8788660323. The cubic root of 55754280 is about 382.0258381872.

The spelling of 55754280 in words is "fifty-five million, seven hundred fifty-four thousand, two hundred eighty".