54645398 has 4 divisors (see below), whose sum is σ = 81968100. Its totient is φ = 27322698.

The previous prime is 54645347. The next prime is 54645419. The reversal of 54645398 is 89354645.

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

It is a super-2 number, since 2×54645398² = 5972239045156808, 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, 13661348 + ... + 13661351.

It is an arithmetic number, because the mean of its divisors is an integer number (20492025).

Almost surely, 2^54645398 is an apocalyptic number.

54645398 is a deficient number, since it is larger than the sum of its proper divisors (27322702).

54645398 is a wasteful number, since it uses less digits than its factorization.

54645398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27322701.

The product of its digits is 518400, while the sum is 44.

The square root of 54645398 is about 7392.2525660315. The cubic root of 54645398 is about 379.4761896436.

The spelling of 54645398 in words is "fifty-four million, six hundred forty-five thousand, three hundred ninety-eight".