55120053 has 8 divisors (see below), whose sum is σ = 74880288. Its totient is φ = 36053264.

The previous prime is 55120003. The next prime is 55120061. The reversal of 55120053 is 35002155.

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 55120053 - 2⁹ = 55119541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173175 + ... + 173492.

It is an arithmetic number, because the mean of its divisors is an integer number (9360036).

Almost surely, 2^55120053 is an apocalyptic number.

55120053 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55120053 is a deficient number, since it is larger than the sum of its proper divisors (19760235).

55120053 is a wasteful number, since it uses less digits than its factorization.

55120053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346723.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 55120053 is about 7424.2880466749. The cubic root of 55120053 is about 380.5717455105.

The spelling of 55120053 in words is "fifty-five million, one hundred twenty thousand, fifty-three".