54399554 has 16 divisors (see below), whose sum is σ = 92888640. Its totient is φ = 23651760.

The previous prime is 54399547. The next prime is 54399557. The reversal of 54399554 is 45599345.

It is a super-2 number, since 2×54399554² = 5918622950797832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54399557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53249 + ... + 54260.

It is an arithmetic number, because the mean of its divisors is an integer number (5805540).

Almost surely, 2^54399554 is an apocalyptic number.

54399554 is a deficient number, since it is larger than the sum of its proper divisors (38489086).

54399554 is a wasteful number, since it uses less digits than its factorization.

54399554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107545.

The product of its digits is 486000, while the sum is 44.

The square root of 54399554 is about 7375.6053310898. The cubic root of 54399554 is about 378.9062593773.

The spelling of 54399554 in words is "fifty-four million, three hundred ninety-nine thousand, five hundred fifty-four".