57240652 has 24 divisors (see below), whose sum is σ = 119460096. Its totient is φ = 23464848.

The previous prime is 57240647. The next prime is 57240661. The reversal of 57240652 is 25604275.

57240652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43798 + ... + 45085.

It is an arithmetic number, because the mean of its divisors is an integer number (4977504).

Almost surely, 2^57240652 is an apocalyptic number.

It is an amenable number.

57240652 is an abundant number, since it is smaller than the sum of its proper divisors (62219444).

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

57240652 is a wasteful number, since it uses less digits than its factorization.

57240652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88917 (or 88915 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 57240652 is about 7565.7552167645. The cubic root of 57240652 is about 385.3909605853.

It can be divided in two parts, 57240 and 652, that multiplied together give a triangular number (37320480 = T₈₆₃₉).

The spelling of 57240652 in words is "fifty-seven million, two hundred forty thousand, six hundred fifty-two".