53457573 has 24 divisors (see below), whose sum is σ = 78048768. Its totient is φ = 32527872.

The previous prime is 53457553. The next prime is 53457577. The reversal of 53457573 is 37575435.

It is not a de Polignac number, because 53457573 - 2⁵ = 53457541 is a prime.

It is a super-2 number, since 2×53457573² = 5715424222100658, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53457577) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48636 + ... + 49722.

It is an arithmetic number, because the mean of its divisors is an integer number (3252032).

Almost surely, 2^53457573 is an apocalyptic number.

It is an amenable number.

53457573 is a deficient number, since it is larger than the sum of its proper divisors (24591195).

53457573 is a wasteful number, since it uses less digits than its factorization.

53457573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1200 counting only the distinct ones).

The product of its digits is 220500, while the sum is 39.

The square root of 53457573 is about 7311.4685939283. The cubic root of 53457573 is about 376.7064698934.

The spelling of 53457573 in words is "fifty-three million, four hundred fifty-seven thousand, five hundred seventy-three".