53949402 has 48 divisors (see below), whose sum is σ = 130559520. Its totient is φ = 16597872.

The previous prime is 53949377. The next prime is 53949433. The reversal of 53949402 is 20494935.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2049 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (2719990).

Almost surely, 2^53949402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53949402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65279760).

53949402 is an abundant number, since it is smaller than the sum of its proper divisors (76610118).

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

53949402 is a wasteful number, since it uses less digits than its factorization.

53949402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569 (or 8557 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 53949402 is about 7345.0256636720. The cubic root of 53949402 is about 377.8582234745.

The spelling of 53949402 in words is "fifty-three million, nine hundred forty-nine thousand, four hundred two".