55431536 has 10 divisors (see below), whose sum is σ = 107398632. Its totient is φ = 27715760.

The previous prime is 55431479. The next prime is 55431539. The reversal of 55431536 is 63513455.

55431536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55431539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1732220 + ... + 1732251.

Almost surely, 2^55431536 is an apocalyptic number.

It is an amenable number.

55431536 is a deficient number, since it is larger than the sum of its proper divisors (51967096).

55431536 is a wasteful number, since it uses less digits than its factorization.

55431536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464479 (or 3464473 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 55431536 is about 7445.2357921022. The cubic root of 55431536 is about 381.2872687387.

The spelling of 55431536 in words is "fifty-five million, four hundred thirty-one thousand, five hundred thirty-six".