53272738 has 16 divisors (see below), whose sum is σ = 84960576. Its totient is φ = 24996400.

The previous prime is 53272729. The next prime is 53272763. The reversal of 53272738 is 83727235.

It is a super-2 number, since 2×53272738² = 5675969228033288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53272697 and 53272706.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8488 + ... + 13363.

It is an arithmetic number, because the mean of its divisors is an integer number (5310036).

Almost surely, 2^53272738 is an apocalyptic number.

53272738 is a deficient number, since it is larger than the sum of its proper divisors (31687838).

53272738 is a wasteful number, since it uses less digits than its factorization.

53272738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21929.

The product of its digits is 70560, while the sum is 37.

The square root of 53272738 is about 7298.8175754707. The cubic root of 53272738 is about 376.2718015498.

The spelling of 53272738 in words is "fifty-three million, two hundred seventy-two thousand, seven hundred thirty-eight".