55542953 has 4 divisors (see below), whose sum is σ = 57957888. Its totient is φ = 53128020.

The previous prime is 55542943. The next prime is 55542959. The reversal of 55542953 is 35924555.

55542953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55542953 - 2¹⁰ = 55541929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55542959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207433 + ... + 1207478.

It is an arithmetic number, because the mean of its divisors is an integer number (14489472).

Almost surely, 2^55542953 is an apocalyptic number.

It is an amenable number.

55542953 is a deficient number, since it is larger than the sum of its proper divisors (2414935).

55542953 is a wasteful number, since it uses less digits than its factorization.

55542953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414934.

The product of its digits is 135000, while the sum is 38.

The square root of 55542953 is about 7452.7144719223. The cubic root of 55542953 is about 381.5425593528.

The spelling of 55542953 in words is "fifty-five million, five hundred forty-two thousand, nine hundred fifty-three".