55551330232 has 32 divisors (see below), whose sum is σ = 104819702400. Its totient is φ = 27599529184.

The previous prime is 55551330173. The next prime is 55551330257. The reversal of 55551330232 is 23203315555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5043243 + ... + 5054245.

It is an arithmetic number, because the mean of its divisors is an integer number (3275615700).

Almost surely, 2^55551330232 is an apocalyptic number.

It is an amenable number.

55551330232 is a deficient number, since it is larger than the sum of its proper divisors (49268372168).

55551330232 is a wasteful number, since it uses less digits than its factorization.

55551330232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14955 (or 14951 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 34.

Adding to 55551330232 its reverse (23203315555), we get a palindrome (78754645787).

The spelling of 55551330232 in words is "fifty-five billion, five hundred fifty-one million, three hundred thirty thousand, two hundred thirty-two".