55157467050 has 192 divisors, whose sum is σ = 174617395200. Its totient is φ = 12541003200.

The previous prime is 55157467021. The next prime is 55157467051. The reversal of 55157467050 is 5076475155.

55157467050 is a `hidden beast` number, since 5 + 5 + 1 + 574 + 6 + 70 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 55157466987 and 55157467005.

It is not an unprimeable number, because it can be changed into a prime (55157467051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1789671 + ... + 1820229.

It is an arithmetic number, because the mean of its divisors is an integer number (909465600).

Almost surely, 2^55157467050 is an apocalyptic number.

55157467050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55157467050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87308697600).

55157467050 is an abundant number, since it is smaller than the sum of its proper divisors (119459928150).

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

55157467050 is a wasteful number, since it uses less digits than its factorization.

55157467050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30778 (or 30767 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 45.

The spelling of 55157467050 in words is "fifty-five billion, one hundred fifty-seven million, four hundred sixty-seven thousand, fifty".