55366957 has 8 divisors (see below), whose sum is σ = 58754880. Its totient is φ = 52060800.

The previous prime is 55366951. The next prime is 55366963. The reversal of 55366957 is 75966355.

It is an interprime number because it is at equal distance from previous prime (55366951) and next prime (55366963).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55366957 - 2¹¹ = 55364909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55366951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19044 + ... + 21757.

It is an arithmetic number, because the mean of its divisors is an integer number (7344360).

Almost surely, 2^55366957 is an apocalyptic number.

It is an amenable number.

55366957 is a deficient number, since it is larger than the sum of its proper divisors (3387923).

55366957 is a wasteful number, since it uses less digits than its factorization.

55366957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40883.

The product of its digits is 850500, while the sum is 46.

The square root of 55366957 is about 7440.8975937047. The cubic root of 55366957 is about 381.1391417537.

The spelling of 55366957 in words is "fifty-five million, three hundred sixty-six thousand, nine hundred fifty-seven".