53700012 has 18 divisors (see below), whose sum is σ = 135741788. Its totient is φ = 17899992.

The previous prime is 53700011. The next prime is 53700067. The reversal of 53700012 is 21000735.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (53700011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745798 + ... + 745869.

Almost surely, 2^53700012 is an apocalyptic number.

It is an amenable number.

53700012 is an abundant number, since it is smaller than the sum of its proper divisors (82041776).

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

53700012 is a wasteful number, since it uses less digits than its factorization.

53700012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491677 (or 1491672 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 53700012 is about 7328.0292029986. The cubic root of 53700012 is about 377.2750867014.

Adding to 53700012 its reverse (21000735), we get a palindrome (74700747).

The spelling of 53700012 in words is "fifty-three million, seven hundred thousand, twelve".