53989858 has 16 divisors (see below), whose sum is σ = 92345400. Its totient is φ = 23452416.

The previous prime is 53989847. The next prime is 53989867. The reversal of 53989858 is 85898935.

It can be written as a sum of positive squares in 4 ways, for example, as 42680089 + 11309769 = 6533^2 + 3363^2 .

It is a super-3 number, since 3×53989858³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53989799 and 53989808.

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, 60633 + ... + 61516.

Almost surely, 2^53989858 is an apocalyptic number.

53989858 is a deficient number, since it is larger than the sum of its proper divisors (38355542).

53989858 is a wasteful number, since it uses less digits than its factorization.

53989858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122181.

The product of its digits is 3110400, while the sum is 55.

The square root of 53989858 is about 7347.7791202512. The cubic root of 53989858 is about 377.9526503030.

The spelling of 53989858 in words is "fifty-three million, nine hundred eighty-nine thousand, eight hundred fifty-eight".