55235240007407 has 4 divisors (see below), whose sum is σ = 55265739865656. Its totient is φ = 55204740149160.

The previous prime is 55235240007403. The next prime is 55235240007473. The reversal of 55235240007407 is 70470004253255.

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

It is a cyclic number.

It is not a de Polignac number, because 55235240007407 - 2² = 55235240007403 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 (55235240007403) 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, 15249926408 + ... + 15249930029.

It is an arithmetic number, because the mean of its divisors is an integer number (13816434966414).

Almost surely, 2^{55235240007407} is an apocalyptic number.

55235240007407 is a deficient number, since it is larger than the sum of its proper divisors (30499858249).

55235240007407 is a wasteful number, since it uses less digits than its factorization.

55235240007407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30499858248.

The product of its (nonzero) digits is 1176000, while the sum is 44.

The spelling of 55235240007407 in words is "fifty-five trillion, two hundred thirty-five billion, two hundred forty million, seven thousand, four hundred seven".