53450523 has 54 divisors (see below), whose sum is σ = 94548636. Its totient is φ = 30087288.

The previous prime is 53450503. The next prime is 53450539. The reversal of 53450523 is 32505435.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 53450523 - 2⁵ = 53450491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53450503) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 797736 + ... + 797802.

Almost surely, 2^53450523 is an apocalyptic number.

53450523 is a deficient number, since it is larger than the sum of its proper divisors (41098113).

53450523 is an frugal number, since it uses more digits than its factorization.

53450523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 53450523 is about 7310.9864587482. The cubic root of 53450523 is about 376.6899091130.

Multiplying 53450523 by its sum of digits (27), we get a square (1443164121 = 37989²).

53450523 divided by its sum of digits (27) gives a square (1979649 = 1407²).

Adding to 53450523 its reverse (32505435), we get a palindrome (85955958).

The spelling of 53450523 in words is "fifty-three million, four hundred fifty thousand, five hundred twenty-three".