53214408 has 80 divisors (see below), whose sum is σ = 160540380. Its totient is φ = 16371072.

The previous prime is 53214361. The next prime is 53214431. The reversal of 53214408 is 80441235.

It can be written as a sum of positive squares in 2 ways, for example, as 51581124 + 1633284 = 7182^2 + 1278^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5266 + ... + 11582.

Almost surely, 2^53214408 is an apocalyptic number.

53214408 is the 4212-nd octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53214408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80270190).

53214408 is an abundant number, since it is smaller than the sum of its proper divisors (107325972).

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

53214408 is a wasteful number, since it uses less digits than its factorization.

53214408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348 (or 6335 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 53214408 is about 7294.8206283637. The cubic root of 53214408 is about 376.1344207782.

The spelling of 53214408 in words is "fifty-three million, two hundred fourteen thousand, four hundred eight".