69550401 has 4 divisors (see below), whose sum is σ = 92733872. Its totient is φ = 46366932.

The previous prime is 69550399. The next prime is 69550409. The reversal of 69550401 is 10405596.

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 not a de Polignac number, because 69550401 - 2¹ = 69550399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69550409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11591731 + ... + 11591736.

It is an arithmetic number, because the mean of its divisors is an integer number (23183468).

Almost surely, 2^69550401 is an apocalyptic number.

It is an amenable number.

69550401 is a deficient number, since it is larger than the sum of its proper divisors (23183471).

69550401 is a wasteful number, since it uses less digits than its factorization.

69550401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23183470.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 69550401 is about 8339.6883035279. The cubic root of 69550401 is about 411.2442885605.

Adding to 69550401 its reverse (10405596), we get a palindrome (79955997).

The spelling of 69550401 in words is "sixty-nine million, five hundred fifty thousand, four hundred one".