53745210 has 24 divisors (see below), whose sum is σ = 139737780. Its totient is φ = 14332032.

The previous prime is 53745193. The next prime is 53745221. The reversal of 53745210 is 1254735.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47073321 + 6671889 = 6861^2 + 2583^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298495 + ... + 298674.

Almost surely, 2^53745210 is an apocalyptic number.

53745210 is an abundant number, since it is smaller than the sum of its proper divisors (85992570).

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

53745210 is a wasteful number, since it uses less digits than its factorization.

53745210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597182 (or 597179 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 53745210 is about 7331.1124667406. The cubic root of 53745210 is about 377.3809047876.

Adding to 53745210 its reverse (1254735), we get a palindrome (54999945).

The spelling of 53745210 in words is "fifty-three million, seven hundred forty-five thousand, two hundred ten".