53865494 has 16 divisors (see below), whose sum is σ = 88750080. Its totient is φ = 24405480.

The previous prime is 53865491. The next prime is 53865509. The reversal of 53865494 is 49456835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53865491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29942 + ... + 31689.

It is an arithmetic number, because the mean of its divisors is an integer number (5546880).

Almost surely, 2^53865494 is an apocalyptic number.

53865494 is a deficient number, since it is larger than the sum of its proper divisors (34884586).

53865494 is a wasteful number, since it uses less digits than its factorization.

53865494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61675.

The product of its digits is 518400, while the sum is 44.

The square root of 53865494 is about 7339.3115480950. The cubic root of 53865494 is about 377.6622263732.

The spelling of 53865494 in words is "fifty-three million, eight hundred sixty-five thousand, four hundred ninety-four".