55662589950 has 48 divisors (see below), whose sum is σ = 150592611456. Its totient is φ = 13493960800.

The previous prime is 55662589903. The next prime is 55662589963. The reversal of 55662589950 is 5998526655.

It is a super-4 number, since 4×55662589950⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16865802 + ... + 16869101.

It is an arithmetic number, because the mean of its divisors is an integer number (3137346072).

Almost surely, 2^55662589950 is an apocalyptic number.

55662589950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55662589950 is an abundant number, since it is smaller than the sum of its proper divisors (94930021506).

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

55662589950 is a wasteful number, since it uses less digits than its factorization.

55662589950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33734929 (or 33734924 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 60.

The spelling of 55662589950 in words is "fifty-five billion, six hundred sixty-two million, five hundred eighty-nine thousand, nine hundred fifty".