55426677500 has 60 divisors (see below), whose sum is σ = 124026067704. Its totient is φ = 21655032000.

The previous prime is 55426677491. The next prime is 55426677511. The reversal of 55426677500 is 577662455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 150299 + ... + 365298.

Almost surely, 2^55426677500 is an apocalyptic number.

55426677500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55426677500 is an abundant number, since it is smaller than the sum of its proper divisors (68599390204).

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

55426677500 is a wasteful number, since it uses less digits than its factorization.

55426677500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515664 (or 515647 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 55426677500 in words is "fifty-five billion, four hundred twenty-six million, six hundred seventy-seven thousand, five hundred".