54211550 has 24 divisors (see below), whose sum is σ = 101785896. Its totient is φ = 21479840.

The previous prime is 54211543. The next prime is 54211571. The reversal of 54211550 is 5511245.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284 + ... + 10416.

It is an arithmetic number, because the mean of its divisors is an integer number (4241079).

Almost surely, 2^54211550 is an apocalyptic number.

54211550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54211550 is a deficient number, since it is larger than the sum of its proper divisors (47574346).

54211550 is a wasteful number, since it uses less digits than its factorization.

54211550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10252 (or 10247 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 54211550 is about 7362.8493125963. The cubic root of 54211550 is about 378.4692575489.

Adding to 54211550 its reverse (5511245), we get a palindrome (59722795).

The spelling of 54211550 in words is "fifty-four million, two hundred eleven thousand, five hundred fifty".