51001054445 has 16 divisors (see below), whose sum is σ = 67355865792. Its totient is φ = 36763426560.

The previous prime is 51001054441. The next prime is 51001054457. The reversal of 51001054445 is 54445010015.

It is not a de Polignac number, because 51001054445 - 2² = 51001054441 is a prime.

It is a super-2 number, since 2×51001054445² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001054441) 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, 4096847 + ... + 4109276.

It is an arithmetic number, because the mean of its divisors is an integer number (4209741612).

Almost surely, 2^51001054445 is an apocalyptic number.

51001054445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51001054445 is a deficient number, since it is larger than the sum of its proper divisors (16354811347).

51001054445 is a wasteful number, since it uses less digits than its factorization.

51001054445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206252.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 51001054445 in words is "fifty-one billion, one million, fifty-four thousand, four hundred forty-five".