55042514431 has 32 divisors (see below), whose sum is σ = 58661280000. Its totient is φ = 51567280128.

The previous prime is 55042514383. The next prime is 55042514503. The reversal of 55042514431 is 13441524055.

It is a cyclic number.

It is not a de Polignac number, because 55042514431 - 2¹¹ = 55042512383 is a prime.

It is a super-2 number, since 2×55042514431² (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 (55042514731) 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, 75091741 + ... + 75092473.

It is an arithmetic number, because the mean of its divisors is an integer number (1833165000).

Almost surely, 2^55042514431 is an apocalyptic number.

55042514431 is a deficient number, since it is larger than the sum of its proper divisors (3618765569).

55042514431 is a wasteful number, since it uses less digits than its factorization.

55042514431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 55042514431 in words is "fifty-five billion, forty-two million, five hundred fourteen thousand, four hundred thirty-one".