572720550 has 24 divisors (see below), whose sum is σ = 1420347336. Its totient is φ = 152725440.

The previous prime is 572720503. The next prime is 572720557. The reversal of 572720550 is 55027275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572720557) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1908919 + ... + 1909218.

It is an arithmetic number, because the mean of its divisors is an integer number (59181139).

Almost surely, 2^572720550 is an apocalyptic number.

572720550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

572720550 is an abundant number, since it is smaller than the sum of its proper divisors (847626786).

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

572720550 is a wasteful number, since it uses less digits than its factorization.

572720550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818152 (or 3818147 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 572720550 is about 23931.5805997013. The cubic root of 572720550 is about 830.4514648449.

The spelling of 572720550 in words is "five hundred seventy-two million, seven hundred twenty thousand, five hundred fifty".