53373657 has 4 divisors (see below), whose sum is σ = 71164880. Its totient is φ = 35582436.

The previous prime is 53373643. The next prime is 53373709. The reversal of 53373657 is 75637335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 53373657 - 2¹⁰ = 53372633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53373157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8895607 + ... + 8895612.

It is an arithmetic number, because the mean of its divisors is an integer number (17791220).

Almost surely, 2^53373657 is an apocalyptic number.

It is an amenable number.

53373657 is a deficient number, since it is larger than the sum of its proper divisors (17791223).

53373657 is a wasteful number, since it uses less digits than its factorization.

53373657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17791222.

The product of its digits is 198450, while the sum is 39.

The square root of 53373657 is about 7305.7276844952. The cubic root of 53373657 is about 376.5092527122.

The spelling of 53373657 in words is "fifty-three million, three hundred seventy-three thousand, six hundred fifty-seven".