53868190 has 16 divisors (see below), whose sum is σ = 97317792. Its totient is φ = 21468384.

The previous prime is 53868181. The next prime is 53868203. The reversal of 53868190 is 9186835.

It is a happy number.

It is a super-2 number, since 2×53868190² = 5803563787752200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 12493.

It is an arithmetic number, because the mean of its divisors is an integer number (6082362).

Almost surely, 2^53868190 is an apocalyptic number.

53868190 is a deficient number, since it is larger than the sum of its proper divisors (43449602).

53868190 is a wasteful number, since it uses less digits than its factorization.

53868190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19731.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 53868190 is about 7339.4952142501. The cubic root of 53868190 is about 377.6685270077.

The spelling of 53868190 in words is "fifty-three million, eight hundred sixty-eight thousand, one hundred ninety".