53497420 has 12 divisors (see below), whose sum is σ = 112344624. Its totient is φ = 21398960.

The previous prime is 53497403. The next prime is 53497429. The reversal of 53497420 is 2479435.

It is not an unprimeable number, because it can be changed into a prime (53497429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337416 + ... + 1337455.

It is an arithmetic number, because the mean of its divisors is an integer number (9362052).

Almost surely, 2^53497420 is an apocalyptic number.

It is an amenable number.

53497420 is an abundant number, since it is smaller than the sum of its proper divisors (58847204).

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

53497420 is a wasteful number, since it uses less digits than its factorization.

53497420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674880 (or 2674878 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 53497420 is about 7314.1930518684. The cubic root of 53497420 is about 376.8000450022.

It can be divided in two parts, 5349 and 7420, that added together give a square (12769 = 113²).

The spelling of 53497420 in words is "fifty-three million, four hundred ninety-seven thousand, four hundred twenty".