55415432 has 16 divisors (see below), whose sum is σ = 105455760. Its totient is φ = 27293904.

The previous prime is 55415431. The next prime is 55415453. The reversal of 55415432 is 23451455.

It is a junction number, because it is equal to n+sod(n) for n = 55415395 and 55415404.

It is not an unprimeable number, because it can be changed into a prime (55415431) 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, 51158 + ... + 52229.

It is an arithmetic number, because the mean of its divisors is an integer number (6590985).

Almost surely, 2^55415432 is an apocalyptic number.

It is an amenable number.

55415432 is a deficient number, since it is larger than the sum of its proper divisors (50040328).

55415432 is a wasteful number, since it uses less digits than its factorization.

55415432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103460 (or 103456 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 55415432 is about 7444.1542165648. The cubic root of 55415432 is about 381.2503412341.

Adding to 55415432 its reverse (23451455), we get a palindrome (78866887).

The spelling of 55415432 in words is "fifty-five million, four hundred fifteen thousand, four hundred thirty-two".