53154816 has 176 divisors, whose sum is σ = 167821248. Its totient is φ = 14868480.

The previous prime is 53154797. The next prime is 53154821. The reversal of 53154816 is 61845135.

It is a tau number, because it is divible by the number of its divisors (176).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 4088826 + ... + 4088838.

Almost surely, 2^53154816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53154816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83910624).

53154816 is an abundant number, since it is smaller than the sum of its proper divisors (114666432).

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

53154816 is a wasteful number, since it uses less digits than its factorization.

53154816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 29 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 53154816 is about 7290.7349423772. The cubic root of 53154816 is about 375.9939639894.

The spelling of 53154816 in words is "fifty-three million, one hundred fifty-four thousand, eight hundred sixteen".