55010420 has 24 divisors (see below), whose sum is σ = 117482400. Its totient is φ = 21630752.

The previous prime is 55010393. The next prime is 55010429. The reversal of 55010420 is 2401055.

55010420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55010420² = 6052292617152800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55010429) 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, 22130 + ... + 24489.

It is an arithmetic number, because the mean of its divisors is an integer number (4895100).

Almost surely, 2^55010420 is an apocalyptic number.

It is an amenable number.

55010420 is an abundant number, since it is smaller than the sum of its proper divisors (62471980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55010420 is a wasteful number, since it uses less digits than its factorization.

55010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46687 (or 46685 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 55010420 is about 7416.9009700818. The cubic root of 55010420 is about 380.3192607806.

Adding to 55010420 its reverse (2401055), we get a palindrome (57411475).

The spelling of 55010420 in words is "fifty-five million, ten thousand, four hundred twenty".