55348020 has 288 divisors, whose sum is σ = 215255040. Its totient is φ = 11197440.

The previous prime is 55348019. The next prime is 55348021. The reversal of 55348020 is 2084355.

It is an interprime number because it is at equal distance from previous prime (55348019) and next prime (55348021).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55348021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 507726 + ... + 507834.

Almost surely, 2^55348020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55348020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107627520).

55348020 is an abundant number, since it is smaller than the sum of its proper divisors (159907020).

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

55348020 is a wasteful number, since it uses less digits than its factorization.

55348020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 55348020 is about 7439.6249905489. The cubic root of 55348020 is about 381.0956834930.

The spelling of 55348020 in words is "fifty-five million, three hundred forty-eight thousand, twenty".