55553148 has 48 divisors (see below), whose sum is σ = 164604160. Its totient is φ = 15872112.

The previous prime is 55553143. The next prime is 55553149. The reversal of 55553148 is 84135555.

It is a happy number.

It is a super-4 number, since 4×55553148⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55553143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35986 + ... + 37497.

Almost surely, 2^55553148 is an apocalyptic number.

It is an amenable number.

55553148 is an abundant number, since it is smaller than the sum of its proper divisors (109051012).

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

55553148 is a wasteful number, since it uses less digits than its factorization.

55553148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73503 (or 73495 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 55553148 is about 7453.3984195131. The cubic root of 55553148 is about 381.5659021786.

The spelling of 55553148 in words is "fifty-five million, five hundred fifty-three thousand, one hundred forty-eight".