55392807 has 8 divisors (see below), whose sum is σ = 73905520. Its totient is φ = 36904320.

The previous prime is 55392793. The next prime is 55392823. The reversal of 55392807 is 70829355.

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

It is not a de Polignac number, because 55392807 - 2¹¹ = 55390759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55392707) 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, 207 + ... + 10527.

It is an arithmetic number, because the mean of its divisors is an integer number (9238190).

Almost surely, 2^55392807 is an apocalyptic number.

55392807 is a deficient number, since it is larger than the sum of its proper divisors (18512713).

55392807 is a wasteful number, since it uses less digits than its factorization.

55392807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12113.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 55392807 is about 7442.6344126257. The cubic root of 55392807 is about 381.1984485703.

The spelling of 55392807 in words is "fifty-five million, three hundred ninety-two thousand, eight hundred seven".