53870534 has 4 divisors (see below), whose sum is σ = 80805804. Its totient is φ = 26935266.

The previous prime is 53870533. The next prime is 53870549. The reversal of 53870534 is 43507835.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 53870494 and 53870503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53870533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13467632 + ... + 13467635.

It is an arithmetic number, because the mean of its divisors is an integer number (20201451).

Almost surely, 2^53870534 is an apocalyptic number.

53870534 is a deficient number, since it is larger than the sum of its proper divisors (26935270).

53870534 is a wasteful number, since it uses less digits than its factorization.

53870534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26935269.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 53870534 is about 7339.6548965193. The cubic root of 53870534 is about 377.6740048366.

The spelling of 53870534 in words is "fifty-three million, eight hundred seventy thousand, five hundred thirty-four".