53646142442 has 16 divisors (see below), whose sum is σ = 82188362880. Its totient is φ = 26250119328.

The previous prime is 53646142427. The next prime is 53646142481. The reversal of 53646142442 is 24424164635.

It is a self number, because there is not a number n which added to its sum of digits gives 53646142442.

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, 1798373 + ... + 1827959.

It is an arithmetic number, because the mean of its divisors is an integer number (5136772680).

Almost surely, 2^53646142442 is an apocalyptic number.

53646142442 is a deficient number, since it is larger than the sum of its proper divisors (28542220438).

53646142442 is a wasteful number, since it uses less digits than its factorization.

53646142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48925.

The product of its digits is 552960, while the sum is 41.

The spelling of 53646142442 in words is "fifty-three billion, six hundred forty-six million, one hundred forty-two thousand, four hundred forty-two".