51153552054 has 80 divisors (see below), whose sum is σ = 125105086656. Its totient is φ = 15493258800.

The previous prime is 51153552049. The next prime is 51153552059. The reversal of 51153552054 is 45025535115.

51153552054 is a `hidden beast` number, since 5 + 1 + 1 + 53 + 552 + 0 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (51153552049) and next prime (51153552059).

It is a super-3 number, since 3×51153552054³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51153552059) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4219069 + ... + 4231175.

Almost surely, 2^51153552054 is an apocalyptic number.

51153552054 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51153552054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62552543328).

51153552054 is an abundant number, since it is smaller than the sum of its proper divisors (73951534602).

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

51153552054 is a wasteful number, since it uses less digits than its factorization.

51153552054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14503 (or 14494 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 51153552054 in words is "fifty-one billion, one hundred fifty-three million, five hundred fifty-two thousand, fifty-four".