554403420 has 48 divisors (see below), whose sum is σ = 1724812320. Its totient is φ = 147840768.

The previous prime is 554403419. The next prime is 554403461. The reversal of 554403420 is 24304455.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512797 + ... + 513876.

It is an arithmetic number, because the mean of its divisors is an integer number (35933590).

Almost surely, 2^554403420 is an apocalyptic number.

It is an amenable number.

554403420 is an abundant number, since it is smaller than the sum of its proper divisors (1170408900).

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

554403420 is a wasteful number, since it uses less digits than its factorization.

554403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026691 (or 1026683 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 554403420 is about 23545.7728690311. The cubic root of 554403420 is about 821.5020160238.

Adding to 554403420 its reverse (24304455), we get a palindrome (578707875).

The spelling of 554403420 in words is "five hundred fifty-four million, four hundred three thousand, four hundred twenty".