53673357 has 4 divisors (see below), whose sum is σ = 71564480. Its totient is φ = 35782236.

The previous prime is 53673349. The next prime is 53673359. The reversal of 53673357 is 75337635.

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 53673357 - 2³ = 53673349 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 (53673359) 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, 8945557 + ... + 8945562.

It is an arithmetic number, because the mean of its divisors is an integer number (17891120).

Almost surely, 2^53673357 is an apocalyptic number.

It is an amenable number.

53673357 is a deficient number, since it is larger than the sum of its proper divisors (17891123).

53673357 is a wasteful number, since it uses less digits than its factorization.

53673357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17891122.

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

The square root of 53673357 is about 7326.2102754425. The cubic root of 53673357 is about 377.2126538677.

The spelling of 53673357 in words is "fifty-three million, six hundred seventy-three thousand, three hundred fifty-seven".