53408364 has 12 divisors (see below), whose sum is σ = 124619544. Its totient is φ = 17802784.

The previous prime is 53408359. The next prime is 53408371. The reversal of 53408364 is 46380435.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225337 + ... + 2225360.

It is an arithmetic number, because the mean of its divisors is an integer number (10384962).

Almost surely, 2^53408364 is an apocalyptic number.

It is an amenable number.

53408364 is an abundant number, since it is smaller than the sum of its proper divisors (71211180).

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

53408364 is a wasteful number, since it uses less digits than its factorization.

53408364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450704 (or 4450702 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 53408364 is about 7308.1026265372. The cubic root of 53408364 is about 376.5908452427.

Adding to 53408364 its reverse (46380435), we get a palindrome (99788799).

The spelling of 53408364 in words is "fifty-three million, four hundred eight thousand, three hundred sixty-four".