53700051 has 8 divisors (see below), whose sum is σ = 71859664. Its totient is φ = 35670240.

The previous prime is 53700011. The next prime is 53700067. The reversal of 53700051 is 15000735.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53700051 - 2¹¹ = 53698003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53700001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31480 + ... + 33141.

It is an arithmetic number, because the mean of its divisors is an integer number (8982458).

Almost surely, 2^53700051 is an apocalyptic number.

53700051 is a deficient number, since it is larger than the sum of its proper divisors (18159613).

53700051 is a wasteful number, since it uses less digits than its factorization.

53700051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64901.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 53700051 is about 7328.0318640137. The cubic root of 53700051 is about 377.2751780343.

Adding to 53700051 its reverse (15000735), we get a palindrome (68700786).

The spelling of 53700051 in words is "fifty-three million, seven hundred thousand, fifty-one".