51545900046 has 32 divisors (see below), whose sum is σ = 104296183200. Its totient is φ = 16981836800.

The previous prime is 51545900027. The next prime is 51545900053. The reversal of 51545900046 is 64000954515.

It is a junction number, because it is equal to n+sod(n) for n = 51545899977 and 51545900013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270070 + ... + 419558.

It is an arithmetic number, because the mean of its divisors is an integer number (3259255725).

Almost surely, 2^51545900046 is an apocalyptic number.

51545900046 is an abundant number, since it is smaller than the sum of its proper divisors (52750283154).

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

51545900046 is a wasteful number, since it uses less digits than its factorization.

51545900046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150164.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 51545900046 in words is "fifty-one billion, five hundred forty-five million, nine hundred thousand, forty-six".