53051145 has 32 divisors (see below), whose sum is σ = 98848512. Its totient is φ = 23791872.

The previous prime is 53051051. The next prime is 53051147. The reversal of 53051145 is 54115035.

It is not a de Polignac number, because 53051145 - 2¹⁵ = 53018377 is a prime.

It is a super-2 number, since 2×53051145² = 5628847971622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53051147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (3089016).

Almost surely, 2^53051145 is an apocalyptic number.

It is an amenable number.

53051145 is a deficient number, since it is larger than the sum of its proper divisors (45797367).

53051145 is a wasteful number, since it uses less digits than its factorization.

53051145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 53051145 is about 7283.6216952832. The cubic root of 53051145 is about 375.7493637686.

The spelling of 53051145 in words is "fifty-three million, fifty-one thousand, one hundred forty-five".