53349455742 has 64 divisors (see below), whose sum is σ = 121610059776. Its totient is φ = 15444459360.

The previous prime is 53349455737. The next prime is 53349455749. The reversal of 53349455742 is 24755494335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53349455749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1227963 + ... + 1270665.

It is an arithmetic number, because the mean of its divisors is an integer number (1900157184).

Almost surely, 2^53349455742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53349455742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60805029888).

53349455742 is an abundant number, since it is smaller than the sum of its proper divisors (68260604034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53349455742 is a wasteful number, since it uses less digits than its factorization.

53349455742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43565.

The product of its digits is 9072000, while the sum is 51.

The spelling of 53349455742 in words is "fifty-three billion, three hundred forty-nine million, four hundred fifty-five thousand, seven hundred forty-two".