53457398 has 4 divisors (see below), whose sum is σ = 80186100. Its totient is φ = 26728698.

The previous prime is 53457373. The next prime is 53457427. The reversal of 53457398 is 89375435.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13364348 + ... + 13364351.

It is an arithmetic number, because the mean of its divisors is an integer number (20046525).

Almost surely, 2^53457398 is an apocalyptic number.

53457398 is a deficient number, since it is larger than the sum of its proper divisors (26728702).

53457398 is a wasteful number, since it uses less digits than its factorization.

53457398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26728701.

The product of its digits is 453600, while the sum is 44.

The square root of 53457398 is about 7311.4566264186. The cubic root of 53457398 is about 376.7060588278.

The spelling of 53457398 in words is "fifty-three million, four hundred fifty-seven thousand, three hundred ninety-eight".