55740433 has 32 divisors (see below), whose sum is σ = 72057600. Its totient is φ = 41969664.

The previous prime is 55740413. The next prime is 55740439. The reversal of 55740433 is 33404755.

It is a cyclic number.

It is not a de Polignac number, because 55740433 - 2⁵ = 55740401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55740395 and 55740404.

It is not an unprimeable number, because it can be changed into a prime (55740439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201091 + ... + 201367.

It is an arithmetic number, because the mean of its divisors is an integer number (2251800).

Almost surely, 2^55740433 is an apocalyptic number.

It is an amenable number.

55740433 is a deficient number, since it is larger than the sum of its proper divisors (16317167).

55740433 is a wasteful number, since it uses less digits than its factorization.

55740433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 55740433 is about 7465.9515803412. The cubic root of 55740433 is about 381.9942092267.

The spelling of 55740433 in words is "fifty-five million, seven hundred forty thousand, four hundred thirty-three".