55342263437 has 4 divisors (see below), whose sum is σ = 58597690716. Its totient is φ = 52086836160.

The previous prime is 55342263373. The next prime is 55342263443. The reversal of 55342263437 is 73436224355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35756540836 + 19585722601 = 189094^2 + 139949^2 .

It is a cyclic number.

It is not a de Polignac number, because 55342263437 - 2⁶ = 55342263373 is a prime.

It is a super-2 number, since 2×55342263437² (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 (55342203437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627713614 + ... + 1627713647.

It is an arithmetic number, because the mean of its divisors is an integer number (14649422679).

Almost surely, 2^55342263437 is an apocalyptic number.

It is an amenable number.

55342263437 is a deficient number, since it is larger than the sum of its proper divisors (3255427279).

55342263437 is a wasteful number, since it uses less digits than its factorization.

55342263437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255427278.

The product of its digits is 1814400, while the sum is 44.

The spelling of 55342263437 in words is "fifty-five billion, three hundred forty-two million, two hundred sixty-three thousand, four hundred thirty-seven".