53289550 has 12 divisors (see below), whose sum is σ = 99118656. Its totient is φ = 21315800.

The previous prime is 53289541. The next prime is 53289563. The reversal of 53289550 is 5598235.

It is a super-2 number, since 2×53289550² = 5679552278405000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532846 + ... + 532945.

It is an arithmetic number, because the mean of its divisors is an integer number (8259888).

Almost surely, 2^53289550 is an apocalyptic number.

53289550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53289550 is a deficient number, since it is larger than the sum of its proper divisors (45829106).

53289550 is a wasteful number, since it uses less digits than its factorization.

53289550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065803 (or 1065798 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 53289550 is about 7299.9691780171. The cubic root of 53289550 is about 376.3113791175.

It can be divided in two parts, 5328 and 9550, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 53289550 in words is "fifty-three million, two hundred eighty-nine thousand, five hundred fifty".