53177145 has 16 divisors (see below), whose sum is σ = 97238400. Its totient is φ = 24309504.

The previous prime is 53177129. The next prime is 53177147. The reversal of 53177145 is 54177135.

It is not a de Polignac number, because 53177145 - 2⁴ = 53177129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53177147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253120 + ... + 253329.

It is an arithmetic number, because the mean of its divisors is an integer number (6077400).

Almost surely, 2^53177145 is an apocalyptic number.

It is an amenable number.

53177145 is a deficient number, since it is larger than the sum of its proper divisors (44061255).

53177145 is a wasteful number, since it uses less digits than its factorization.

53177145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506464.

The product of its digits is 14700, while the sum is 33.

The square root of 53177145 is about 7292.2661086935. The cubic root of 53177145 is about 376.0466051518.

The spelling of 53177145 in words is "fifty-three million, one hundred seventy-seven thousand, one hundred forty-five".