68925550 has 12 divisors (see below), whose sum is σ = 128201616. Its totient is φ = 27570200.

The previous prime is 68925539. The next prime is 68925553. The reversal of 68925550 is 5552986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68925553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 689206 + ... + 689305.

It is an arithmetic number, because the mean of its divisors is an integer number (10683468).

Almost surely, 2^68925550 is an apocalyptic number.

68925550 is a deficient number, since it is larger than the sum of its proper divisors (59276066).

68925550 is a wasteful number, since it uses less digits than its factorization.

68925550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378523 (or 1378518 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 68925550 is about 8302.1412900528. The cubic root of 68925550 is about 410.0090222088.

The spelling of 68925550 in words is "sixty-eight million, nine hundred twenty-five thousand, five hundred fifty".