55147451246 has 32 divisors (see below), whose sum is σ = 87953644800. Its totient is φ = 25859433600.

The previous prime is 55147451243. The next prime is 55147451263. The reversal of 55147451246 is 64215474155.

It is a junction number, because it is equal to n+sod(n) for n = 55147451197 and 55147451206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55147451243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3681071 + ... + 3696021.

It is an arithmetic number, because the mean of its divisors is an integer number (2748551400).

Almost surely, 2^55147451246 is an apocalyptic number.

55147451246 is a deficient number, since it is larger than the sum of its proper divisors (32806193554).

55147451246 is a wasteful number, since it uses less digits than its factorization.

55147451246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15944.

The product of its digits is 672000, while the sum is 44.

The spelling of 55147451246 in words is "fifty-five billion, one hundred forty-seven million, four hundred fifty-one thousand, two hundred forty-six".