53149068 has 96 divisors (see below), whose sum is σ = 158681600. Its totient is φ = 15069888.

The previous prime is 53149049. The next prime is 53149087. The reversal of 53149068 is 86094135.

It is an interprime number because it is at equal distance from previous prime (53149049) and next prime (53149087).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172971 + ... + 173277.

Almost surely, 2^53149068 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 53149068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79340800).

53149068 is an abundant number, since it is smaller than the sum of its proper divisors (105532532).

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

53149068 is a wasteful number, since it uses less digits than its factorization.

53149068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 53149068 is about 7290.3407327779. The cubic root of 53149068 is about 375.9804105533.

The spelling of 53149068 in words is "fifty-three million, one hundred forty-nine thousand, sixty-eight".