53119918 has 4 divisors (see below), whose sum is σ = 79679880. Its totient is φ = 26559958.

The previous prime is 53119897. The next prime is 53119931. The reversal of 53119918 is 81991135.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13279978 + ... + 13279981.

It is an arithmetic number, because the mean of its divisors is an integer number (19919970).

Almost surely, 2^53119918 is an apocalyptic number.

53119918 is a deficient number, since it is larger than the sum of its proper divisors (26559962).

53119918 is a wasteful number, since it uses less digits than its factorization.

53119918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26559961.

The product of its digits is 9720, while the sum is 37.

The square root of 53119918 is about 7288.3412378949. The cubic root of 53119918 is about 375.9116615695.

It can be divided in two parts, 531 and 19918, that added together give a square (20449 = 143²).

The spelling of 53119918 in words is "fifty-three million, one hundred nineteen thousand, nine hundred eighteen".