53355078 has 192 divisors, whose sum is σ = 158008320. Its totient is φ = 13001472.

The previous prime is 53355031. The next prime is 53355091. The reversal of 53355078 is 87055335.

53355078 is a `hidden beast` number, since 5 + 33 + 550 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2319775 + ... + 2319797.

It is an arithmetic number, because the mean of its divisors is an integer number (822960).

Almost surely, 2^53355078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53355078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79004160).

53355078 is an abundant number, since it is smaller than the sum of its proper divisors (104653242).

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

53355078 is a wasteful number, since it uses less digits than its factorization.

53355078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 53355078 is about 7304.4560372419. The cubic root of 53355078 is about 376.4655608886.

It can be divided in two parts, 533 and 55078, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 53355078 in words is "fifty-three million, three hundred fifty-five thousand, seventy-eight".