53487486 has 48 divisors (see below), whose sum is σ = 128729520. Its totient is φ = 16454880.

The previous prime is 53487439. The next prime is 53487509. The reversal of 53487486 is 68478435.

It is a super-2 number, since 2×53487486² = 5721822317200392, which contains 22 as substring.

It is a congruent number.

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, 6196 + ... + 12056.

It is an arithmetic number, because the mean of its divisors is an integer number (2681865).

Almost surely, 2^53487486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53487486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64364760).

53487486 is an abundant number, since it is smaller than the sum of its proper divisors (75242034).

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

53487486 is a wasteful number, since it uses less digits than its factorization.

53487486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898 (or 5879 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 53487486 is about 7313.5139297057. The cubic root of 53487486 is about 376.7767207412.

The spelling of 53487486 in words is "fifty-three million, four hundred eighty-seven thousand, four hundred eighty-six".