554751421 has 16 divisors (see below), whose sum is σ = 662457600. Its totient is φ = 454215168.

The previous prime is 554751413. The next prime is 554751427. The reversal of 554751421 is 124157455.

It is a cyclic number.

It is not a de Polignac number, because 554751421 - 2³ = 554751413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554751427) 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, 147715 + ... + 151423.

It is an arithmetic number, because the mean of its divisors is an integer number (41403600).

Almost surely, 2^554751421 is an apocalyptic number.

It is an amenable number.

554751421 is a deficient number, since it is larger than the sum of its proper divisors (107706179).

554751421 is a wasteful number, since it uses less digits than its factorization.

554751421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668.

The product of its digits is 28000, while the sum is 34.

The square root of 554751421 is about 23553.1615924487. The cubic root of 554751421 is about 821.6738666515.

The spelling of 554751421 in words is "five hundred fifty-four million, seven hundred fifty-one thousand, four hundred twenty-one".