53471644 has 6 divisors (see below), whose sum is σ = 93575384. Its totient is φ = 26735820.

The previous prime is 53471633. The next prime is 53471651. The reversal of 53471644 is 44617435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6683952 + ... + 6683959.

Almost surely, 2^53471644 is an apocalyptic number.

It is an amenable number.

53471644 is a deficient number, since it is larger than the sum of its proper divisors (40103740).

53471644 is a wasteful number, since it uses less digits than its factorization.

53471644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367915 (or 13367913 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 53471644 is about 7312.4307859972. The cubic root of 53471644 is about 376.7395189790.

The spelling of 53471644 in words is "fifty-three million, four hundred seventy-one thousand, six hundred forty-four".