53275550 has 12 divisors (see below), whose sum is σ = 99092616. Its totient is φ = 21310200.

The previous prime is 53275549. The next prime is 53275553. The reversal of 53275550 is 5557235.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53275553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 532706 + ... + 532805.

It is an arithmetic number, because the mean of its divisors is an integer number (8257718).

Almost surely, 2^53275550 is an apocalyptic number.

53275550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53275550 is a deficient number, since it is larger than the sum of its proper divisors (45817066).

53275550 is a wasteful number, since it uses less digits than its factorization.

53275550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065523 (or 1065518 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 32.

The square root of 53275550 is about 7299.0102068705. The cubic root of 53275550 is about 376.2784219322.

The spelling of 53275550 in words is "fifty-three million, two hundred seventy-five thousand, five hundred fifty".