53404862782 has 16 divisors (see below), whose sum is σ = 81071156880. Its totient is φ = 26381616448.

The previous prime is 53404862773. The next prime is 53404862783. The reversal of 53404862782 is 28726840435.

It is a super-3 number, since 3×53404862782³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53404862783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109833 + ... + 344779.

It is an arithmetic number, because the mean of its divisors is an integer number (5066947305).

Almost surely, 2^53404862782 is an apocalyptic number.

53404862782 is a deficient number, since it is larger than the sum of its proper divisors (27666294098).

53404862782 is a wasteful number, since it uses less digits than its factorization.

53404862782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236315.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 53404862782 in words is "fifty-three billion, four hundred four million, eight hundred sixty-two thousand, seven hundred eighty-two".