55212032 has 24 divisors (see below), whose sum is σ = 110401200. Its totient is φ = 27604992.

The previous prime is 55212011. The next prime is 55212071. The reversal of 55212032 is 23021255.

It is a junction number, because it is equal to n+sod(n) for n = 55211995 and 55212013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11432 + ... + 15527.

It is an arithmetic number, because the mean of its divisors is an integer number (4600050).

Almost surely, 2^55212032 is an apocalyptic number.

It is an amenable number.

55212032 is a deficient number, since it is larger than the sum of its proper divisors (55189168).

55212032 is an equidigital number, since it uses as much as digits as its factorization.

55212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26981 (or 26961 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55212032 is about 7430.4799306640. The cubic root of 55212032 is about 380.7833149482.

Adding to 55212032 its reverse (23021255), we get a palindrome (78233287).

The spelling of 55212032 in words is "fifty-five million, two hundred twelve thousand, thirty-two".