52687654 has 4 divisors (see below), whose sum is σ = 79031484. Its totient is φ = 26343826.

The previous prime is 52687651. The next prime is 52687673. The reversal of 52687654 is 45678625.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52687654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52687651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171912 + ... + 13171915.

It is an arithmetic number, because the mean of its divisors is an integer number (19757871).

Almost surely, 2^52687654 is an apocalyptic number.

52687654 is a deficient number, since it is larger than the sum of its proper divisors (26343830).

52687654 is a wasteful number, since it uses less digits than its factorization.

52687654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26343829.

The product of its digits is 403200, while the sum is 43.

The square root of 52687654 is about 7258.6261785547. The cubic root of 52687654 is about 374.8892212040.

The spelling of 52687654 in words is "fifty-two million, six hundred eighty-seven thousand, six hundred fifty-four".