54400133 has 4 divisors (see below), whose sum is σ = 56155008. Its totient is φ = 52645260.

The previous prime is 54400127. The next prime is 54400163. The reversal of 54400133 is 33100445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54400133 - 2¹² = 54396037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54400163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877391 + ... + 877452.

It is an arithmetic number, because the mean of its divisors is an integer number (14038752).

Almost surely, 2^54400133 is an apocalyptic number.

It is an amenable number.

54400133 is a deficient number, since it is larger than the sum of its proper divisors (1754875).

54400133 is a wasteful number, since it uses less digits than its factorization.

54400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754874.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 54400133 is about 7375.6445820010. The cubic root of 54400133 is about 378.9076036650.

Adding to 54400133 its reverse (33100445), we get a palindrome (87500578).

The spelling of 54400133 in words is "fifty-four million, four hundred thousand, one hundred thirty-three".