53155548 has 48 divisors (see below), whose sum is σ = 138211360. Its totient is φ = 17667072.

The previous prime is 53155547. The next prime is 53155561. The reversal of 53155548 is 84555135.

It is a happy number.

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 (53155547) 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, 61890 + ... + 62742.

Almost surely, 2^53155548 is an apocalyptic number.

It is an amenable number.

53155548 is an abundant number, since it is smaller than the sum of its proper divisors (85055812).

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

53155548 is a wasteful number, since it uses less digits than its factorization.

53155548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1435 counting only the distinct ones).

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

The square root of 53155548 is about 7290.7851429047. The cubic root of 53155548 is about 375.9956899310.

The spelling of 53155548 in words is "fifty-three million, one hundred fifty-five thousand, five hundred forty-eight".