54551420 has 48 divisors (see below), whose sum is σ = 142829568. Its totient is φ = 17002560.

The previous prime is 54551417. The next prime is 54551437. The reversal of 54551420 is 2415545.

It is a self number, because there is not a number n which added to its sum of digits gives 54551420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16172 + ... + 19251.

It is an arithmetic number, because the mean of its divisors is an integer number (2975616).

Almost surely, 2^54551420 is an apocalyptic number.

It is an amenable number.

54551420 is an abundant number, since it is smaller than the sum of its proper divisors (88278148).

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

54551420 is a wasteful number, since it uses less digits than its factorization.

54551420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35450 (or 35448 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 54551420 is about 7385.8933109002. The cubic root of 54551420 is about 379.2585264427.

Adding to 54551420 its reverse (2415545), we get a palindrome (56966965).

The spelling of 54551420 in words is "fifty-four million, five hundred fifty-one thousand, four hundred twenty".