53146530 has 48 divisors (see below), whose sum is σ = 143305344. Its totient is φ = 14171760.

The previous prime is 53146523. The next prime is 53146543. The reversal of 53146530 is 3564135.

53146530 is a `hidden beast` number, since 5 + 3 + 1 + 4 + 653 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 53146494 and 53146503.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8506 + ... + 13365.

It is an arithmetic number, because the mean of its divisors is an integer number (2985528).

Almost surely, 2^53146530 is an apocalyptic number.

53146530 is an abundant number, since it is smaller than the sum of its proper divisors (90158814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53146530 is a wasteful number, since it uses less digits than its factorization.

53146530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21893 (or 21881 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 53146530 is about 7290.1666647615. The cubic root of 53146530 is about 375.9744257919.

The spelling of 53146530 in words is "fifty-three million, one hundred forty-six thousand, five hundred thirty".