53450408 has 32 divisors (see below), whose sum is σ = 110410560. Its totient is φ = 24055680.

The previous prime is 53450387. The next prime is 53450437. The reversal of 53450408 is 80405435.

It is a super-2 number, since 2×53450408² = 5713892230732928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6116 + ... + 12012.

It is an arithmetic number, because the mean of its divisors is an integer number (3450330).

Almost surely, 2^53450408 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 53450408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55205280).

53450408 is an abundant number, since it is smaller than the sum of its proper divisors (56960152).

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

53450408 is a wasteful number, since it uses less digits than its factorization.

53450408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017 (or 6013 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 53450408 is about 7310.9785938683. The cubic root of 53450408 is about 376.6896389606.

The spelling of 53450408 in words is "fifty-three million, four hundred fifty thousand, four hundred eight".