53506827 has 24 divisors (see below), whose sum is σ = 87225840. Its totient is φ = 31308480.

The previous prime is 53506823. The next prime is 53506829. The reversal of 53506827 is 72860535.

It is not a de Polignac number, because 53506827 - 2² = 53506823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53506791 and 53506800.

It is not an unprimeable number, because it can be changed into a prime (53506823) 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, 6448 + ... + 12189.

It is an arithmetic number, because the mean of its divisors is an integer number (3634410).

Almost surely, 2^53506827 is an apocalyptic number.

53506827 is a deficient number, since it is larger than the sum of its proper divisors (33719013).

53506827 is a wasteful number, since it uses less digits than its factorization.

53506827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683 (or 18680 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 53506827 is about 7314.8360883891. The cubic root of 53506827 is about 376.8221292465.

It can be divided in two parts, 535068 and 27, that added together give a triangular number (535095 = T₁₀₃₄).

The spelling of 53506827 in words is "fifty-three million, five hundred six thousand, eight hundred twenty-seven".