65993542 has 16 divisors (see below), whose sum is σ = 100312992. Its totient is φ = 32558400.

The previous prime is 65993539. The next prime is 65993561. The reversal of 65993542 is 24539956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93792 + ... + 94492.

It is an arithmetic number, because the mean of its divisors is an integer number (6269562).

Almost surely, 2^65993542 is an apocalyptic number.

65993542 is a deficient number, since it is larger than the sum of its proper divisors (34319450).

65993542 is a wasteful number, since it uses less digits than its factorization.

65993542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263.

The product of its digits is 291600, while the sum is 43.

The square root of 65993542 is about 8123.6409324883. The cubic root of 65993542 is about 404.1108206585.

The spelling of 65993542 in words is "sixty-five million, nine hundred ninety-three thousand, five hundred forty-two".