55405959465 has 32 divisors (see below), whose sum is σ = 93741161472. Its totient is φ = 27899136000.

The previous prime is 55405959463. The next prime is 55405959467. The reversal of 55405959465 is 56495950455.

It is an interprime number because it is at equal distance from previous prime (55405959463) and next prime (55405959467).

It is not a de Polignac number, because 55405959465 - 2¹ = 55405959463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55405959463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1434016 + ... + 1472145.

It is an arithmetic number, because the mean of its divisors is an integer number (2929411296).

Almost surely, 2^55405959465 is an apocalyptic number.

It is an amenable number.

55405959465 is a deficient number, since it is larger than the sum of its proper divisors (38335202007).

55405959465 is a wasteful number, since it uses less digits than its factorization.

55405959465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906241.

The product of its (nonzero) digits is 24300000, while the sum is 57.

The spelling of 55405959465 in words is "fifty-five billion, four hundred five million, nine hundred fifty-nine thousand, four hundred sixty-five".