55943357 has 4 divisors (see below), whose sum is σ = 55960320. Its totient is φ = 55926396.

The previous prime is 55943333. The next prime is 55943359. The reversal of 55943357 is 75334955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55943357 - 2¹⁶ = 55877821 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 (55943359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757 + ... + 10722.

It is an arithmetic number, because the mean of its divisors is an integer number (13990080).

Almost surely, 2^55943357 is an apocalyptic number.

It is an amenable number.

55943357 is a deficient number, since it is larger than the sum of its proper divisors (16963).

55943357 is a wasteful number, since it uses less digits than its factorization.

55943357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16962.

The product of its digits is 283500, while the sum is 41.

The square root of 55943357 is about 7479.5291964134. The cubic root of 55943357 is about 382.4571999898.

The spelling of 55943357 in words is "fifty-five million, nine hundred forty-three thousand, three hundred fifty-seven".