53520370 has 16 divisors (see below), whose sum is σ = 99659160. Its totient is φ = 20669824.

The previous prime is 53520331. The next prime is 53520371. The reversal of 53520370 is 7302535.

It can be written as a sum of positive squares in 4 ways, for example, as 52403121 + 1117249 = 7239^2 + 1057^2 .

It is not an unprimeable number, because it can be changed into a prime (53520371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91987 + ... + 92566.

Almost surely, 2^53520370 is an apocalyptic number.

53520370 is a deficient number, since it is larger than the sum of its proper divisors (46138790).

53520370 is a wasteful number, since it uses less digits than its factorization.

53520370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184589.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 53520370 is about 7315.7617511781. The cubic root of 53520370 is about 376.8539187824.

The spelling of 53520370 in words is "fifty-three million, five hundred twenty thousand, three hundred seventy".