53440614 has 16 divisors (see below), whose sum is σ = 118757040. Its totient is φ = 17813520.

The previous prime is 53440613. The next prime is 53440637. The reversal of 53440614 is 41604435.

53440614 is a `hidden beast` number, since 5 + 3 + 4 + 40 + 614 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53440613) 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, 494767 + ... + 494874.

It is an arithmetic number, because the mean of its divisors is an integer number (7422315).

Almost surely, 2^53440614 is an apocalyptic number.

53440614 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53440614 is an abundant number, since it is smaller than the sum of its proper divisors (65316426).

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

53440614 is a wasteful number, since it uses less digits than its factorization.

53440614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989652 (or 989646 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 53440614 is about 7310.3087486097. The cubic root of 53440614 is about 376.6666299458. Note that the first 4 decimals are identical.

The spelling of 53440614 in words is "fifty-three million, four hundred forty thousand, six hundred fourteen".