55503352450 has 48 divisors (see below), whose sum is σ = 127059992640. Its totient is φ = 17565894720.

The previous prime is 55503352439. The next prime is 55503352483. The reversal of 55503352450 is 5425330555.

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, 6094720 + ... + 6103819.

It is an arithmetic number, because the mean of its divisors is an integer number (2647083180).

Almost surely, 2^55503352450 is an apocalyptic number.

55503352450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55503352450 is an abundant number, since it is smaller than the sum of its proper divisors (71556640190).

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

55503352450 is a wasteful number, since it uses less digits than its factorization.

55503352450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12198571 (or 12198566 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 55503352450 in words is "fifty-five billion, five hundred three million, three hundred fifty-two thousand, four hundred fifty".