52919998 has 4 divisors (see below), whose sum is σ = 79380000. Its totient is φ = 26459998.

The previous prime is 52919981. The next prime is 52920037. The reversal of 52919998 is 89991925.

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, 13229998 + ... + 13230001.

It is an arithmetic number, because the mean of its divisors is an integer number (19845000).

Almost surely, 2^52919998 is an apocalyptic number.

52919998 is a deficient number, since it is larger than the sum of its proper divisors (26460002).

52919998 is a wasteful number, since it uses less digits than its factorization.

52919998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26460001.

The product of its digits is 524880, while the sum is 52.

The square root of 52919998 is about 7274.6132543249. The cubic root of 52919998 is about 375.4394800109.

The spelling of 52919998 in words is "fifty-two million, nine hundred nineteen thousand, nine hundred ninety-eight".