68252455 has 4 divisors (see below), whose sum is σ = 81902952. Its totient is φ = 54601960.

The previous prime is 68252419. The next prime is 68252461. The reversal of 68252455 is 55425286.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68252455 - 2¹³ = 68244263 is a prime.

It is a super-2 number, since 2×68252455² = 9316795227054050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6825241 + ... + 6825250.

It is an arithmetic number, because the mean of its divisors is an integer number (20475738).

Almost surely, 2^68252455 is an apocalyptic number.

68252455 is a deficient number, since it is larger than the sum of its proper divisors (13650497).

68252455 is a wasteful number, since it uses less digits than its factorization.

68252455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650496.

The product of its digits is 96000, while the sum is 37.

The square root of 68252455 is about 8261.5044029523. The cubic root of 68252455 is about 408.6700012088.

The spelling of 68252455 in words is "sixty-eight million, two hundred fifty-two thousand, four hundred fifty-five".