55420053 has 8 divisors (see below), whose sum is σ = 79577568. Its totient is φ = 34104624.

The previous prime is 55420049. The next prime is 55420063. The reversal of 55420053 is 35002455.

55420053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55420053 - 2² = 55420049 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55420063) 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 7 ways as a sum of consecutive naturals, for example, 710475 + ... + 710552.

It is an arithmetic number, because the mean of its divisors is an integer number (9947196).

Almost surely, 2^55420053 is an apocalyptic number.

It is an amenable number.

55420053 is a deficient number, since it is larger than the sum of its proper divisors (24157515).

55420053 is a wasteful number, since it uses less digits than its factorization.

55420053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421043.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55420053 is about 7444.4645878666. The cubic root of 55420053 is about 381.2609382152.

The spelling of 55420053 in words is "fifty-five million, four hundred twenty thousand, fifty-three".