53394550 has 24 divisors (see below), whose sum is σ = 108343512. Its totient is φ = 19416000.

The previous prime is 53394533. The next prime is 53394613. The reversal of 53394550 is 5549335.

It is a happy number.

It is a hoax number, since the sum of its digits (34) 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47991 + ... + 49090.

It is an arithmetic number, because the mean of its divisors is an integer number (4514313).

Almost surely, 2^53394550 is an apocalyptic number.

53394550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53394550 is an abundant number, since it is smaller than the sum of its proper divisors (54948962).

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

53394550 is a wasteful number, since it uses less digits than its factorization.

53394550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97104 (or 97099 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 53394550 is about 7307.1574500622. The cubic root of 53394550 is about 376.5583742080.

It can be divided in two parts, 5339 and 4550, that added together give a palindrome (9889).

The spelling of 53394550 in words is "fifty-three million, three hundred ninety-four thousand, five hundred fifty".