550138752 has 48 divisors (see below), whose sum is σ = 1583084880. Its totient is φ = 183379200.

The previous prime is 550138723. The next prime is 550138763. The reversal of 550138752 is 257831055.

550138752 is a `hidden beast` number, since 550 + 1 + 38 + 75 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237624 + ... + 239927.

It is an arithmetic number, because the mean of its divisors is an integer number (32980935).

Almost surely, 2^550138752 is an apocalyptic number.

It is an amenable number.

550138752 is an abundant number, since it is smaller than the sum of its proper divisors (1032946128).

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

550138752 is a wasteful number, since it uses less digits than its factorization.

550138752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477571 (or 477556 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 550138752 is about 23455.0368151491. The cubic root of 550138752 is about 819.3901632712.

It can be divided in two parts, 5501 and 38752, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 550138752 in words is "five hundred fifty million, one hundred thirty-eight thousand, seven hundred fifty-two".