55417013431 has 8 divisors (see below), whose sum is σ = 60805896480. Its totient is φ = 50188992672.

The previous prime is 55417013429. The next prime is 55417013503. The reversal of 55417013431 is 13431071455.

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

It is not a de Polignac number, because 55417013431 - 2¹ = 55417013429 is a prime.

It is a super-2 number, since 2×55417013431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55417013731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40214851 + ... + 40216228.

It is an arithmetic number, because the mean of its divisors is an integer number (7600737060).

Almost surely, 2^55417013431 is an apocalyptic number.

55417013431 is a deficient number, since it is larger than the sum of its proper divisors (5388883049).

55417013431 is a wasteful number, since it uses less digits than its factorization.

55417013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80431145.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 55417013431 its reverse (13431071455), we get a palindrome (68848084886).

The spelling of 55417013431 in words is "fifty-five billion, four hundred seventeen million, thirteen thousand, four hundred thirty-one".