54136550 has 48 divisors (see below), whose sum is σ = 111419952. Its totient is φ = 19440000.

The previous prime is 54136541. The next prime is 54136559. The reversal of 54136550 is 5563145.

It is an interprime number because it is at equal distance from previous prime (54136541) and next prime (54136559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54136559) 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, 22925 + ... + 25175.

It is an arithmetic number, because the mean of its divisors is an integer number (2321249).

Almost surely, 2^54136550 is an apocalyptic number.

54136550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54136550 is an abundant number, since it is smaller than the sum of its proper divisors (57283402).

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

54136550 is a wasteful number, since it uses less digits than its factorization.

54136550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 54136550 is about 7357.7544128627. The cubic root of 54136550 is about 378.2946435021.

Adding to 54136550 its reverse (5563145), we get a palindrome (59699695).

The spelling of 54136550 in words is "fifty-four million, one hundred thirty-six thousand, five hundred fifty".