55403032 has 16 divisors (see below), whose sum is σ = 104288760. Its totient is φ = 27592704.

The previous prime is 55403027. The next prime is 55403039. The reversal of 55403032 is 23030455.

It is a junction number, because it is equal to n+sod(n) for n = 55402994 and 55403012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55403039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11418 + ... + 15529.

Almost surely, 2^55403032 is an apocalyptic number.

It is an amenable number.

55403032 is a deficient number, since it is larger than the sum of its proper divisors (48885728).

55403032 is a wasteful number, since it uses less digits than its factorization.

55403032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27210 (or 27206 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 55403032 is about 7443.3213016771. The cubic root of 55403032 is about 381.2219023636.

Adding to 55403032 its reverse (23030455), we get a palindrome (78433487).

The spelling of 55403032 in words is "fifty-five million, four hundred three thousand, thirty-two".