55546957 has 4 divisors (see below), whose sum is σ = 55743520. Its totient is φ = 55350396.

The previous prime is 55546951. The next prime is 55546961. The reversal of 55546957 is 75964555.

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 a de Polignac number, because none of the positive numbers 2^k-55546957 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 (55546951) 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, 97857 + ... + 98422.

It is an arithmetic number, because the mean of its divisors is an integer number (13935880).

Almost surely, 2^55546957 is an apocalyptic number.

It is an amenable number.

55546957 is a deficient number, since it is larger than the sum of its proper divisors (196563).

55546957 is a wasteful number, since it uses less digits than its factorization.

55546957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196562.

The product of its digits is 945000, while the sum is 46.

The square root of 55546957 is about 7452.9830940369. The cubic root of 55546957 is about 381.5517273907.

The spelling of 55546957 in words is "fifty-five million, five hundred forty-six thousand, nine hundred fifty-seven".