53206345044 has 48 divisors (see below), whose sum is σ = 138109406400. Its totient is φ = 17713973088.

The previous prime is 53206345021. The next prime is 53206345091. The reversal of 53206345044 is 44054360235.

53206345044 is a `hidden beast` number, since 532 + 0 + 6 + 34 + 50 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208539 + ... + 387170.

It is an arithmetic number, because the mean of its divisors is an integer number (2877279300).

Almost surely, 2^53206345044 is an apocalyptic number.

53206345044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53206345044 is an abundant number, since it is smaller than the sum of its proper divisors (84903061356).

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

53206345044 is a wasteful number, since it uses less digits than its factorization.

53206345044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596549 (or 596541 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 53206345044 in words is "fifty-three billion, two hundred six million, three hundred forty-five thousand, forty-four".