55641733 has 16 divisors (see below), whose sum is σ = 64679680. Its totient is φ = 46884096.

The previous prime is 55641727. The next prime is 55641739. The reversal of 55641733 is 33714655.

It is an interprime number because it is at equal distance from previous prime (55641727) and next prime (55641739).

It is a de Polignac number, because none of the positive numbers 2^k-55641733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55641739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164941 + ... + 165277.

It is an arithmetic number, because the mean of its divisors is an integer number (4042480).

Almost surely, 2^55641733 is an apocalyptic number.

55641733 is the 4718-th heptagonal number.

It is an amenable number.

55641733 is a deficient number, since it is larger than the sum of its proper divisors (9037947).

55641733 is a wasteful number, since it uses less digits than its factorization.

55641733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its digits is 37800, while the sum is 34.

The square root of 55641733 is about 7459.3386436064. The cubic root of 55641733 is about 381.7686093530.

The spelling of 55641733 in words is "fifty-five million, six hundred forty-one thousand, seven hundred thirty-three".