53148250 has 16 divisors (see below), whose sum is σ = 99493992. Its totient is φ = 21259200.

The previous prime is 53148247. The next prime is 53148281. The reversal of 53148250 is 5284135.

It can be written as a sum of positive squares in 4 ways, for example, as 12201049 + 40947201 = 3493^2 + 6399^2 .

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, 106047 + ... + 106546.

Almost surely, 2^53148250 is an apocalyptic number.

53148250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53148250 is a deficient number, since it is larger than the sum of its proper divisors (46345742).

53148250 is a wasteful number, since it uses less digits than its factorization.

53148250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212610 (or 212600 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 53148250 is about 7290.2846309318. The cubic root of 53148250 is about 375.9784816794.

The spelling of 53148250 in words is "fifty-three million, one hundred forty-eight thousand, two hundred fifty".