55146248437 has 8 divisors (see below), whose sum is σ = 63042521472. Its totient is φ = 47254534800.

The previous prime is 55146248431. The next prime is 55146248447. The reversal of 55146248437 is 73484264155.

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

It is a cyclic number.

It is not a de Polignac number, because 55146248437 - 2⁷ = 55146248309 is a prime.

It is a super-2 number, since 2×55146248437² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55146248431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113889 + ... + 1162342.

It is an arithmetic number, because the mean of its divisors is an integer number (7880315184).

Almost surely, 2^55146248437 is an apocalyptic number.

It is an amenable number.

55146248437 is a deficient number, since it is larger than the sum of its proper divisors (7896273035).

55146248437 is a wasteful number, since it uses less digits than its factorization.

55146248437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279699.

The product of its digits is 3225600, while the sum is 49.

The spelling of 55146248437 in words is "fifty-five billion, one hundred forty-six million, two hundred forty-eight thousand, four hundred thirty-seven".