55146413487 has 8 divisors (see below), whose sum is σ = 80212965120. Its totient is φ = 33422068760.

The previous prime is 55146413471. The next prime is 55146413489. The reversal of 55146413487 is 78431464155.

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 55146413487 - 2⁴ = 55146413471 is a prime.

It is a super-2 number, since 2×55146413487² (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 (55146413489) 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, 835551687 + ... + 835551752.

It is an arithmetic number, because the mean of its divisors is an integer number (10026620640).

Almost surely, 2^55146413487 is an apocalyptic number.

55146413487 is a deficient number, since it is larger than the sum of its proper divisors (25066551633).

55146413487 is a wasteful number, since it uses less digits than its factorization.

55146413487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671103453.

The product of its digits is 1612800, while the sum is 48.

The spelling of 55146413487 in words is "fifty-five billion, one hundred forty-six million, four hundred thirteen thousand, four hundred eighty-seven".