69957055 has 12 divisors (see below), whose sum is σ = 97654680. Its totient is φ = 47970384.

The previous prime is 69956983. The next prime is 69957071. The reversal of 69957055 is 55075996.

It is not a de Polignac number, because 69957055 - 2¹¹ = 69955007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69956996 and 69957014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142525 + ... + 143014.

It is an arithmetic number, because the mean of its divisors is an integer number (8137890).

Almost surely, 2^69957055 is an apocalyptic number.

69957055 is a deficient number, since it is larger than the sum of its proper divisors (27697625).

69957055 is a wasteful number, since it uses less digits than its factorization.

69957055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285558 (or 285551 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 69957055 is about 8364.0334169586. The cubic root of 69957055 is about 412.0442324553.

The spelling of 69957055 in words is "sixty-nine million, nine hundred fifty-seven thousand, fifty-five".