54403998 has 32 divisors (see below), whose sum is σ = 119342592. Its totient is φ = 16396800.

The previous prime is 54403991. The next prime is 54404003. The reversal of 54403998 is 89930445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54403991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10603 + ... + 14873.

It is an arithmetic number, because the mean of its divisors is an integer number (3729456).

Almost surely, 2^54403998 is an apocalyptic number.

54403998 is an abundant number, since it is smaller than the sum of its proper divisors (64938594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54403998 is a wasteful number, since it uses less digits than its factorization.

54403998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 54403998 is about 7375.9065883456. The cubic root of 54403998 is about 378.9165769470.

The spelling of 54403998 in words is "fifty-four million, four hundred three thousand, nine hundred ninety-eight".