53408016 has 60 divisors (see below), whose sum is σ = 158267772. Its totient is φ = 16754688.

The previous prime is 53408011. The next prime is 53408023. The reversal of 53408016 is 61080435.

53408016 = 17⁴ + 18⁴ + ... + 48⁴.

It can be written as a sum of positive squares in 2 ways, for example, as 38937600 + 14470416 = 6240^2 + 3804^2 .

It is not an unprimeable number, because it can be changed into a prime (53408011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8461 + ... + 13356.

Almost surely, 2^53408016 is an apocalyptic number.

It is an amenable number.

53408016 is an abundant number, since it is smaller than the sum of its proper divisors (104859756).

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

53408016 is a wasteful number, since it uses less digits than its factorization.

53408016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21848 (or 21839 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 53408016 is about 7308.0788173090. The cubic root of 53408016 is about 376.5900273065.

The spelling of 53408016 in words is "fifty-three million, four hundred eight thousand, sixteen".