55432440751 has 8 divisors (see below), whose sum is σ = 56711026944. Its totient is φ = 54157986840.

The previous prime is 55432440733. The next prime is 55432440769. The reversal of 55432440751 is 15704423455.

It is an interprime number because it is at equal distance from previous prime (55432440733) and next prime (55432440769).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55432440751 is a prime.

It is a super-2 number, since 2×55432440751² (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 (55432440731) 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, 1005925 + ... + 1059598.

It is an arithmetic number, because the mean of its divisors is an integer number (7088878368).

Almost surely, 2^55432440751 is an apocalyptic number.

55432440751 is a deficient number, since it is larger than the sum of its proper divisors (1278586193).

55432440751 is a wasteful number, since it uses less digits than its factorization.

55432440751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066141.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 55432440751 in words is "fifty-five billion, four hundred thirty-two million, four hundred forty thousand, seven hundred fifty-one".