51623003052 has 36 divisors (see below), whose sum is σ = 133843537240. Its totient is φ = 17206880616.

The previous prime is 51623003023. The next prime is 51623003057. The reversal of 51623003052 is 25030032615.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

51623003052 is a `hidden beast` number, since 5 + 1 + 623 + 0 + 0 + 30 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (51623003057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2350273 + ... + 2372135.

Almost surely, 2^51623003052 is an apocalyptic number.

It is an amenable number.

51623003052 is an abundant number, since it is smaller than the sum of its proper divisors (82220534188).

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

51623003052 is an frugal number, since it uses more digits than its factorization.

51623003052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43739 (or 21868 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Multiplying 51623003052 by its sum of digits (27), we get a square (1393821082404 = 1180602²).

51623003052 divided by its sum of digits (27) gives a square (1911963076 = 43726²).

Adding to 51623003052 its reverse (25030032615), we get a palindrome (76653035667).

The spelling of 51623003052 in words is "fifty-one billion, six hundred twenty-three million, three thousand, fifty-two".