52591772 has 12 divisors (see below), whose sum is σ = 96879720. Its totient is φ = 24911856.

The previous prime is 52591771. The next prime is 52591793. The reversal of 52591772 is 27719525.

52591772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×52591772⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52591771) 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 3 ways as a sum of consecutive naturals, for example, 345923 + ... + 346074.

It is an arithmetic number, because the mean of its divisors is an integer number (8073310).

Almost surely, 2^52591772 is an apocalyptic number.

It is an amenable number.

52591772 is a deficient number, since it is larger than the sum of its proper divisors (44287948).

52591772 is a wasteful number, since it uses less digits than its factorization.

52591772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692020 (or 692018 counting only the distinct ones).

The product of its digits is 44100, while the sum is 38.

The square root of 52591772 is about 7252.0184776378. The cubic root of 52591772 is about 374.6616729253.

The spelling of 52591772 in words is "fifty-two million, five hundred ninety-one thousand, seven hundred seventy-two".