54311421 has 8 divisors (see below), whose sum is σ = 72968544. Its totient is φ = 35930960.

The previous prime is 54311419. The next prime is 54311431. The reversal of 54311421 is 12411345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54311421 - 2¹ = 54311419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54311401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68706 + ... + 69491.

It is an arithmetic number, because the mean of its divisors is an integer number (9121068).

Almost surely, 2^54311421 is an apocalyptic number.

It is an amenable number.

54311421 is a deficient number, since it is larger than the sum of its proper divisors (18657123).

54311421 is a wasteful number, since it uses less digits than its factorization.

54311421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138331.

The product of its digits is 480, while the sum is 21.

The square root of 54311421 is about 7369.6282809922. The cubic root of 54311421 is about 378.7015261080.

Adding to 54311421 its reverse (12411345), we get a palindrome (66722766).

The spelling of 54311421 in words is "fifty-four million, three hundred eleven thousand, four hundred twenty-one".