53465886 has 96 divisors (see below), whose sum is σ = 132326400. Its totient is φ = 15940800.

The previous prime is 53465827. The next prime is 53465903. The reversal of 53465886 is 68856435.

Its product of digits (691200) is a multiple of the sum of its prime divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1304026 + ... + 1304066.

It is an arithmetic number, because the mean of its divisors is an integer number (1378400).

Almost surely, 2^53465886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53465886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66163200).

53465886 is an abundant number, since it is smaller than the sum of its proper divisors (78860514).

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

53465886 is a wasteful number, since it uses less digits than its factorization.

53465886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 96 counting only the distinct ones).

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

The square root of 53465886 is about 7312.0370622693. The cubic root of 53465886 is about 376.7259956493.

The spelling of 53465886 in words is "fifty-three million, four hundred sixty-five thousand, eight hundred eighty-six".