63553057 has 4 divisors (see below), whose sum is σ = 63573696. Its totient is φ = 63532420.

The previous prime is 63553037. The next prime is 63553073. The reversal of 63553057 is 75035536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63553057 - 2¹¹ = 63551009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63553037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4669 + ... + 12202.

It is an arithmetic number, because the mean of its divisors is an integer number (15893424).

Almost surely, 2^63553057 is an apocalyptic number.

It is an amenable number.

63553057 is a deficient number, since it is larger than the sum of its proper divisors (20639).

63553057 is a wasteful number, since it uses less digits than its factorization.

63553057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 63553057 is about 7972.0171224101. The cubic root of 63553057 is about 399.0666927878.

The spelling of 63553057 in words is "sixty-three million, five hundred fifty-three thousand, fifty-seven".