68953057 has 4 divisors (see below), whose sum is σ = 71951040. Its totient is φ = 65955076.

The previous prime is 68953051. The next prime is 68953063. The reversal of 68953057 is 75035986.

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 an interprime number because it is at equal distance from previous prime (68953051) and next prime (68953063).

It is not a de Polignac number, because 68953057 - 2⁷ = 68952929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68953051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498957 + ... + 1499002.

It is an arithmetic number, because the mean of its divisors is an integer number (17987760).

Almost surely, 2^68953057 is an apocalyptic number.

It is an amenable number.

68953057 is a deficient number, since it is larger than the sum of its proper divisors (2997983).

68953057 is a wasteful number, since it uses less digits than its factorization.

68953057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997982.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 68953057 is about 8303.7977456101. The cubic root of 68953057 is about 410.0635574680.

The spelling of 68953057 in words is "sixty-eight million, nine hundred fifty-three thousand, fifty-seven".