67553057 has 8 divisors (see below), whose sum is σ = 79363200. Its totient is φ = 56687760.

The previous prime is 67553041. The next prime is 67553063. The reversal of 67553057 is 75035576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67553057 - 2⁴ = 67553041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67553057.

It is not an unprimeable number, because it can be changed into a prime (67553957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236057 + ... + 236342.

It is an arithmetic number, because the mean of its divisors is an integer number (9920400).

Almost surely, 2^67553057 is an apocalyptic number.

It is an amenable number.

67553057 is a deficient number, since it is larger than the sum of its proper divisors (11810143).

67553057 is a wasteful number, since it uses less digits than its factorization.

67553057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472423.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 67553057 is about 8219.0666745075. The cubic root of 67553057 is about 407.2692951837.

The spelling of 67553057 in words is "sixty-seven million, five hundred fifty-three thousand, fifty-seven".