55046742050 has 72 divisors (see below), whose sum is σ = 114416416836. Its totient is φ = 19632660480.

The previous prime is 55046742041. The next prime is 55046742059. The reversal of 55046742050 is 5024764055.

It is an interprime number because it is at equal distance from previous prime (55046742041) and next prime (55046742059).

It can be written as a sum of positive squares in 6 ways, for example, as 13305391801 + 41741350249 = 115349^2 + 204307^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 55046741995 and 55046742013.

It is not an unprimeable number, because it can be changed into a prime (55046742059) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 217154 + ... + 396546.

Almost surely, 2^55046742050 is an apocalyptic number.

55046742050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55046742050 is an abundant number, since it is smaller than the sum of its proper divisors (59369674786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55046742050 is a wasteful number, since it uses less digits than its factorization.

55046742050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179460 (or 179436 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 55046742050 in words is "fifty-five billion, forty-six million, seven hundred forty-two thousand, fifty".