53145370 has 8 divisors (see below), whose sum is σ = 95661684. Its totient is φ = 21258144.

The previous prime is 53145361. The next prime is 53145373. The reversal of 53145370 is 7354135.

It can be written as a sum of positive squares in 2 ways, for example, as 44342281 + 8803089 = 6659^2 + 2967^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53145373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657259 + ... + 2657278.

Almost surely, 2^53145370 is an apocalyptic number.

53145370 is a deficient number, since it is larger than the sum of its proper divisors (42516314).

53145370 is a wasteful number, since it uses less digits than its factorization.

53145370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314544.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 53145370 is about 7290.0871051038. The cubic root of 53145370 is about 375.9716903765.

The spelling of 53145370 in words is "fifty-three million, one hundred forty-five thousand, three hundred seventy".