53487646 has 16 divisors (see below), whose sum is σ = 81308448. Its totient is φ = 26387200.

The previous prime is 53487589. The next prime is 53487647. The reversal of 53487646 is 64678435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53487647) 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, 69906 + ... + 70666.

It is an arithmetic number, because the mean of its divisors is an integer number (5081778).

Almost surely, 2^53487646 is an apocalyptic number.

53487646 is a deficient number, since it is larger than the sum of its proper divisors (27820802).

53487646 is a wasteful number, since it uses less digits than its factorization.

53487646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

The product of its digits is 483840, while the sum is 43.

The square root of 53487646 is about 7313.5248683518. The cubic root of 53487646 is about 376.7770964317. Note that the first 3 decimals are identical.

The spelling of 53487646 in words is "fifty-three million, four hundred eighty-seven thousand, six hundred forty-six".