55312413 has 8 divisors (see below), whose sum is σ = 79423008. Its totient is φ = 34038384.

The previous prime is 55312399. The next prime is 55312429. The reversal of 55312413 is 31421355.

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

It is not a de Polignac number, because 55312413 - 2⁶ = 55312349 is a prime.

It is a super-3 number, since 3×55312413³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55312013) 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, 709095 + ... + 709172.

It is an arithmetic number, because the mean of its divisors is an integer number (9927876).

Almost surely, 2^55312413 is an apocalyptic number.

It is an amenable number.

55312413 is a deficient number, since it is larger than the sum of its proper divisors (24110595).

55312413 is a wasteful number, since it uses less digits than its factorization.

55312413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418283.

The product of its digits is 1800, while the sum is 24.

The square root of 55312413 is about 7437.2315413734. The cubic root of 55312413 is about 381.0139426288.

Adding to 55312413 its reverse (31421355), we get a palindrome (86733768).

The spelling of 55312413 in words is "fifty-five million, three hundred twelve thousand, four hundred thirteen".