53534978 has 8 divisors (see below), whose sum is σ = 91774272. Its totient is φ = 22943556.

The previous prime is 53534977. The next prime is 53534981. The reversal of 53534978 is 87943535.

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

It is not an unprimeable number, because it can be changed into a prime (53534977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911950 + ... + 1911977.

It is an arithmetic number, because the mean of its divisors is an integer number (11471784).

Almost surely, 2^53534978 is an apocalyptic number.

53534978 is a deficient number, since it is larger than the sum of its proper divisors (38239294).

53534978 is a wasteful number, since it uses less digits than its factorization.

53534978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823936.

The product of its digits is 453600, while the sum is 44.

The square root of 53534978 is about 7316.7600753339. The cubic root of 53534978 is about 376.8882021856. Note that the first 3 decimals are identical.

The spelling of 53534978 in words is "fifty-three million, five hundred thirty-four thousand, nine hundred seventy-eight".