53922144 has 48 divisors (see below), whose sum is σ = 146119680. Its totient is φ = 17393280.

The previous prime is 53922091. The next prime is 53922173. The reversal of 53922144 is 44122935.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×53922144² = 5815195227113472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6084 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (3044160).

Almost surely, 2^53922144 is an apocalyptic number.

It is an amenable number.

53922144 is an abundant number, since it is smaller than the sum of its proper divisors (92197536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53922144 is a wasteful number, since it uses less digits than its factorization.

53922144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18163 (or 18155 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 53922144 is about 7343.1698877256. The cubic root of 53922144 is about 377.7945749804.

The spelling of 53922144 in words is "fifty-three million, nine hundred twenty-two thousand, one hundred forty-four".