53938216 has 32 divisors (see below), whose sum is σ = 103746240. Its totient is φ = 26281728.

The previous prime is 53938201. The next prime is 53938219. The reversal of 53938216 is 61283935.

It is a super-2 number, since 2×53938216² = 5818662290525312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53938219) 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, 54720 + ... + 55696.

It is an arithmetic number, because the mean of its divisors is an integer number (3242070).

Almost surely, 2^53938216 is an apocalyptic number.

It is an amenable number.

53938216 is a deficient number, since it is larger than the sum of its proper divisors (49808024).

53938216 is a wasteful number, since it uses less digits than its factorization.

53938216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1149 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 53938216 is about 7344.2641564693. The cubic root of 53938216 is about 377.8321063222.

It can be divided in two parts, 5 and 3938216, that added together give a triangular number (3938221 = T₂₈₀₆).

The spelling of 53938216 in words is "fifty-three million, nine hundred thirty-eight thousand, two hundred sixteen".