548355136 has 56 divisors (see below), whose sum is σ = 1246729536. Its totient is φ = 234416640.

The previous prime is 548355131. The next prime is 548355151. The reversal of 548355136 is 631553845.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (548355131) 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, 207906 + ... + 210526.

Almost surely, 2^548355136 is an apocalyptic number.

548355136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 548355136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623364768).

548355136 is an abundant number, since it is smaller than the sum of its proper divisors (698374400).

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

548355136 is a wasteful number, since it uses less digits than its factorization.

548355136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107 (or 3097 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 548355136 is about 23416.9839219315. The cubic root of 548355136 is about 818.5036840696.

The spelling of 548355136 in words is "five hundred forty-eight million, three hundred fifty-five thousand, one hundred thirty-six".