53557049 has 16 divisors (see below), whose sum is σ = 67267200. Its totient is φ = 42371280.

The previous prime is 53557037. The next prime is 53557061. The reversal of 53557049 is 94075535.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53557037) and next prime (53557061).

It is not a de Polignac number, because 53557049 - 2⁴ = 53557033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53557079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1547 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (4204200).

Almost surely, 2^53557049 is an apocalyptic number.

It is an amenable number.

53557049 is a deficient number, since it is larger than the sum of its proper divisors (13710151).

53557049 is a wasteful number, since it uses less digits than its factorization.

53557049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12045 (or 12031 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 53557049 is about 7318.2681694510. The cubic root of 53557049 is about 376.9399886185.

The spelling of 53557049 in words is "fifty-three million, five hundred fifty-seven thousand, forty-nine".