51375617030070 has 48 divisors (see below), whose sum is σ = 133577620658352. Its totient is φ = 13700060297280.

The previous prime is 51375617030057. The next prime is 51375617030083. The reversal of 51375617030070 is 7003071657315.

51375617030070 is a `hidden beast` number, since 5 + 13 + 7 + 561 + 7 + 0 + 3 + 0 + 0 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (51375617030057) and next prime (51375617030083).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 51375617029998 and 51375617030025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10105569 + ... + 14313411.

It is an arithmetic number, because the mean of its divisors is an integer number (2782867097049).

Almost surely, 2^{51375617030070} is an apocalyptic number.

51375617030070 is an abundant number, since it is smaller than the sum of its proper divisors (82202003628282).

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

51375617030070 is a wasteful number, since it uses less digits than its factorization.

51375617030070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343517 (or 4343514 counting only the distinct ones).

The product of its (nonzero) digits is 463050, while the sum is 45.

Adding to 51375617030070 its reverse (7003071657315), we get a palindrome (58378688687385).

The spelling of 51375617030070 in words is "fifty-one trillion, three hundred seventy-five billion, six hundred seventeen million, thirty thousand, seventy".