51543152010 has 80 divisors (see below), whose sum is σ = 158392941696. Its totient is φ = 11781290592.

The previous prime is 51543151981. The next prime is 51543152027. The reversal of 51543152010 is 1025134515.

51543152010 is a `hidden beast` number, since 51 + 54 + 31 + 520 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4539582 + ... + 4550921.

Almost surely, 2^51543152010 is an apocalyptic number.

51543152010 is an abundant number, since it is smaller than the sum of its proper divisors (106849789686).

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

51543152010 is a wasteful number, since it uses less digits than its factorization.

51543152010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090529 (or 9090520 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 51543152010 its reverse (1025134515), we get a palindrome (52568286525).

The spelling of 51543152010 in words is "fifty-one billion, five hundred forty-three million, one hundred fifty-two thousand, ten".