54503211550 has 48 divisors (see below), whose sum is σ = 106591427712. Its totient is φ = 20694159200.

The previous prime is 54503211547. The next prime is 54503211559. The reversal of 54503211550 is 5511230545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54503211559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30244 + ... + 331543.

It is an arithmetic number, because the mean of its divisors is an integer number (2220654744).

Almost surely, 2^54503211550 is an apocalyptic number.

54503211550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54503211550 is a deficient number, since it is larger than the sum of its proper divisors (52088216162).

54503211550 is a wasteful number, since it uses less digits than its factorization.

54503211550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361953 (or 361948 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 54503211550 in words is "fifty-four billion, five hundred three million, two hundred eleven thousand, five hundred fifty".