554242403 has 16 divisors (see below), whose sum is σ = 673596000. Its totient is φ = 449057280.

The previous prime is 554242393. The next prime is 554242411. The reversal of 554242403 is 304242455.

It is a cyclic number.

It is not a de Polignac number, because 554242403 - 2¹⁰ = 554241379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (554242603) 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, 62678 + ... + 70971.

It is an arithmetic number, because the mean of its divisors is an integer number (42099750).

Almost surely, 2^554242403 is an apocalyptic number.

554242403 is a deficient number, since it is larger than the sum of its proper divisors (119353597).

554242403 is a wasteful number, since it uses less digits than its factorization.

554242403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133702.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 554242403 is about 23542.3533870342. The cubic root of 554242403 is about 821.4224779154.

Adding to 554242403 its reverse (304242455), we get a palindrome (858484858).

The spelling of 554242403 in words is "five hundred fifty-four million, two hundred forty-two thousand, four hundred three".