53543890 has 16 divisors (see below), whose sum is σ = 96468480. Its totient is φ = 21397680.

The previous prime is 53543879. The next prime is 53543891. The reversal of 53543890 is 9834535.

It is not an unprimeable number, because it can be changed into a prime (53543891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14095 + ... + 17485.

It is an arithmetic number, because the mean of its divisors is an integer number (6029280).

Almost surely, 2^53543890 is an apocalyptic number.

53543890 is a deficient number, since it is larger than the sum of its proper divisors (42924590).

53543890 is a wasteful number, since it uses less digits than its factorization.

53543890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 53543890 is about 7317.3690627165. The cubic root of 53543890 is about 376.9091146271.

The spelling of 53543890 in words is "fifty-three million, five hundred forty-three thousand, eight hundred ninety".