53074863450 has 288 divisors, whose sum is σ = 168014246400. Its totient is φ = 11759852160.

The previous prime is 53074863449. The next prime is 53074863487. The reversal of 53074863450 is 5436847035.

53074863450 is a `hidden beast` number, since 5 + 3 + 0 + 7 + 4 + 8 + 634 + 5 + 0 = 666.

It is a super-2 number, since 2×53074863450² (a number of 22 digits) contains 22 as substring.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53074863396 and 53074863405.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 18826141 + ... + 18828959.

It is an arithmetic number, because the mean of its divisors is an integer number (583382800).

Almost surely, 2^53074863450 is an apocalyptic number.

53074863450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53074863450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84007123200).

53074863450 is an abundant number, since it is smaller than the sum of its proper divisors (114939382950).

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

53074863450 is a wasteful number, since it uses less digits than its factorization.

53074863450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026 (or 3018 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 53074863450 in words is "fifty-three billion, seventy-four million, eight hundred sixty-three thousand, four hundred fifty".