55014820 has 24 divisors (see below), whose sum is σ = 132035904. Its totient is φ = 18862176.

The previous prime is 55014809. The next prime is 55014821. The reversal of 55014820 is 2841055.

It is not an unprimeable number, because it can be changed into a prime (55014821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196342 + ... + 196621.

It is an arithmetic number, because the mean of its divisors is an integer number (5501496).

Almost surely, 2^55014820 is an apocalyptic number.

It is an amenable number.

55014820 is an abundant number, since it is smaller than the sum of its proper divisors (77021084).

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

55014820 is a wasteful number, since it uses less digits than its factorization.

55014820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392979 (or 392977 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 55014820 is about 7417.1975839936. The cubic root of 55014820 is about 380.3294004362.

Adding to 55014820 its reverse (2841055), we get a palindrome (57855875).

The spelling of 55014820 in words is "fifty-five million, fourteen thousand, eight hundred twenty".