55431433310 has 32 divisors (see below), whose sum is σ = 109630281600. Its totient is φ = 20011865760.

The previous prime is 55431433301. The next prime is 55431433357. The reversal of 55431433310 is 1333413455.

It is a super-2 number, since 2×55431433310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1797380 + ... + 1827959.

It is an arithmetic number, because the mean of its divisors is an integer number (3425946300).

Almost surely, 2^55431433310 is an apocalyptic number.

55431433310 is a deficient number, since it is larger than the sum of its proper divisors (54198848290).

55431433310 is a wasteful number, since it uses less digits than its factorization.

55431433310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625496.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 55431433310 its reverse (1333413455), we get a palindrome (56764846765).

The spelling of 55431433310 in words is "fifty-five billion, four hundred thirty-one million, four hundred thirty-three thousand, three hundred ten".