55430232404 has 24 divisors (see below), whose sum is σ = 97352299968. Its totient is φ = 27615470400.

The previous prime is 55430232401. The next prime is 55430232433. The reversal of 55430232404 is 40423203455.

It is a super-2 number, since 2×55430232404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55430232401) 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, 1235249 + ... + 1279335.

It is an arithmetic number, because the mean of its divisors is an integer number (4056345832).

Almost surely, 2^55430232404 is an apocalyptic number.

It is an amenable number.

55430232404 is a deficient number, since it is larger than the sum of its proper divisors (41922067564).

55430232404 is a wasteful number, since it uses less digits than its factorization.

55430232404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45215 (or 45213 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 55430232404 its reverse (40423203455), we get a palindrome (95853435859).

The spelling of 55430232404 in words is "fifty-five billion, four hundred thirty million, two hundred thirty-two thousand, four hundred four".