51541453020 has 96 divisors (see below), whose sum is σ = 153794930688. Its totient is φ = 12867069952.

The previous prime is 51541453001. The next prime is 51541453063. The reversal of 51541453020 is 2035414515.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332469 + ... + 462188.

It is an arithmetic number, because the mean of its divisors is an integer number (1602030528).

Almost surely, 2^51541453020 is an apocalyptic number.

It is an amenable number.

51541453020 is an abundant number, since it is smaller than the sum of its proper divisors (102253477668).

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

51541453020 is a wasteful number, since it uses less digits than its factorization.

51541453020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794739 (or 794737 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 51541453020 its reverse (2035414515), we get a palindrome (53576867535).

The spelling of 51541453020 in words is "fifty-one billion, five hundred forty-one million, four hundred fifty-three thousand, twenty".