53390072 has 8 divisors (see below), whose sum is σ = 100106400. Its totient is φ = 26695032.

The previous prime is 53390041. The next prime is 53390137. The reversal of 53390072 is 27009335.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336872 + ... + 3336887.

It is an arithmetic number, because the mean of its divisors is an integer number (12513300).

Almost surely, 2^53390072 is an apocalyptic number.

It is an amenable number.

53390072 is a deficient number, since it is larger than the sum of its proper divisors (46716328).

53390072 is a wasteful number, since it uses less digits than its factorization.

53390072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673765 (or 6673761 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 53390072 is about 7306.8510317373. The cubic root of 53390072 is about 376.5478470690.

The spelling of 53390072 in words is "fifty-three million, three hundred ninety thousand, seventy-two".