54431698 has 4 divisors (see below), whose sum is σ = 81647550. Its totient is φ = 27215848.

The previous prime is 54431693. The next prime is 54431701. The reversal of 54431698 is 89613445.

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

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 1912689 = 7247^2 + 1383^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 54431698.

It is not an unprimeable number, because it can be changed into a prime (54431693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13607923 + ... + 13607926.

Almost surely, 2^54431698 is an apocalyptic number.

54431698 is a deficient number, since it is larger than the sum of its proper divisors (27215852).

54431698 is a wasteful number, since it uses less digits than its factorization.

54431698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27215851.

The product of its digits is 103680, while the sum is 40.

The square root of 54431698 is about 7377.7840846693. The cubic root of 54431698 is about 378.9808749687.

The spelling of 54431698 in words is "fifty-four million, four hundred thirty-one thousand, six hundred ninety-eight".