53928997 has 8 divisors (see below), whose sum is σ = 56372544. Its totient is φ = 51493728.

The previous prime is 53928989. The next prime is 53929003. The reversal of 53928997 is 79982935.

53928997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53928997 - 2³ = 53928989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53928907) 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 7 ways as a sum of consecutive naturals, for example, 13993 + ... + 17425.

It is an arithmetic number, because the mean of its divisors is an integer number (7046568).

Almost surely, 2^53928997 is an apocalyptic number.

It is an amenable number.

53928997 is a deficient number, since it is larger than the sum of its proper divisors (2443547).

53928997 is a wasteful number, since it uses less digits than its factorization.

53928997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139.

The product of its digits is 1224720, while the sum is 52.

The square root of 53928997 is about 7343.6364969952. The cubic root of 53928997 is about 377.8105790210.

The spelling of 53928997 in words is "fifty-three million, nine hundred twenty-eight thousand, nine hundred ninety-seven".