53933398 has 4 divisors (see below), whose sum is σ = 80900100. Its totient is φ = 26966698.

The previous prime is 53933387. The next prime is 53933443. The reversal of 53933398 is 89333935.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×53933398² = 5817622839652808, which contains 22 as substring.

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, 13483348 + ... + 13483351.

It is an arithmetic number, because the mean of its divisors is an integer number (20225025).

Almost surely, 2^53933398 is an apocalyptic number.

53933398 is a deficient number, since it is larger than the sum of its proper divisors (26966702).

53933398 is a wasteful number, since it uses less digits than its factorization.

53933398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26966701.

The product of its digits is 262440, while the sum is 43.

The square root of 53933398 is about 7343.9361380666. The cubic root of 53933398 is about 377.8208561090.

The spelling of 53933398 in words is "fifty-three million, nine hundred thirty-three thousand, three hundred ninety-eight".