53486658 has 48 divisors (see below), whose sum is σ = 125349120. Its totient is φ = 16418688.

The previous prime is 53486651. The next prime is 53486659. The reversal of 53486658 is 85668435.

53486658 is a `hidden beast` number, since 534 + 8 + 66 + 58 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53486651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12523 + ... + 16241.

It is an arithmetic number, because the mean of its divisors is an integer number (2611440).

Almost surely, 2^53486658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53486658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62674560).

53486658 is an abundant number, since it is smaller than the sum of its proper divisors (71862462).

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

53486658 is a wasteful number, since it uses less digits than its factorization.

53486658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791 (or 3788 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 53486658 is about 7313.4573219511. The cubic root of 53486658 is about 376.7747765311.

The spelling of 53486658 in words is "fifty-three million, four hundred eighty-six thousand, six hundred fifty-eight".