53725542 has 64 divisors (see below), whose sum is σ = 126572544. Its totient is φ = 15045120.

The previous prime is 53725531. The next prime is 53725547. The reversal of 53725542 is 24552735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53725547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40453 + ... + 41759.

It is an arithmetic number, because the mean of its divisors is an integer number (1977696).

Almost surely, 2^53725542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53725542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63286272).

53725542 is an abundant number, since it is smaller than the sum of its proper divisors (72847002).

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

53725542 is a wasteful number, since it uses less digits than its factorization.

53725542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373.

The product of its digits is 42000, while the sum is 33.

The square root of 53725542 is about 7329.7709377579. The cubic root of 53725542 is about 377.3348651299.

The spelling of 53725542 in words is "fifty-three million, seven hundred twenty-five thousand, five hundred forty-two".