53772506 has 8 divisors (see below), whose sum is σ = 81041664. Its totient is φ = 26758620.

The previous prime is 53772503. The next prime is 53772539. The reversal of 53772506 is 60527735.

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 (53772503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63290 + ... + 64133.

It is an arithmetic number, because the mean of its divisors is an integer number (10130208).

Almost surely, 2^53772506 is an apocalyptic number.

53772506 is a deficient number, since it is larger than the sum of its proper divisors (27269158).

53772506 is a wasteful number, since it uses less digits than its factorization.

53772506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127636.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 53772506 is about 7332.9738851301. The cubic root of 53772506 is about 377.4447817718. Note that the first 3 decimals are identical.

The spelling of 53772506 in words is "fifty-three million, seven hundred seventy-two thousand, five hundred six".