63257955 has 16 divisors (see below), whose sum is σ = 101497344. Its totient is φ = 33642720.

The previous prime is 63257951. The next prime is 63257963. The reversal of 63257955 is 55975236.

63257955 = T₃₉₄ + T₃₉₅ + ... + T₇₆₀.

It is not a de Polignac number, because 63257955 - 2² = 63257951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63257951) 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, 241 + ... + 11250.

It is an arithmetic number, because the mean of its divisors is an integer number (6343584).

Almost surely, 2^63257955 is an apocalyptic number.

63257955 is a deficient number, since it is larger than the sum of its proper divisors (38239389).

63257955 is a wasteful number, since it uses less digits than its factorization.

63257955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11866.

The product of its digits is 283500, while the sum is 42.

The square root of 63257955 is about 7953.4869711341. The cubic root of 63257955 is about 398.4480594049.

The spelling of 63257955 in words is "sixty-three million, two hundred fifty-seven thousand, nine hundred fifty-five".