53350551078 has 64 divisors (see below), whose sum is σ = 119481709824. Its totient is φ = 15744240000.

The previous prime is 53350551061. The next prime is 53350551103. The reversal of 53350551078 is 87015505335.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341025 + ... + 472227.

It is an arithmetic number, because the mean of its divisors is an integer number (1866901716).

Almost surely, 2^53350551078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53350551078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59740854912).

53350551078 is an abundant number, since it is smaller than the sum of its proper divisors (66131158746).

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

53350551078 is a wasteful number, since it uses less digits than its factorization.

53350551078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131381.

The product of its (nonzero) digits is 315000, while the sum is 42.

The spelling of 53350551078 in words is "fifty-three billion, three hundred fifty million, five hundred fifty-one thousand, seventy-eight".