53642111450 has 24 divisors (see below), whose sum is σ = 99884416512. Its totient is φ = 21433169520.

The previous prime is 53642111431. The next prime is 53642111461. The reversal of 53642111450 is 5411124635.

It is a super-2 number, since 2×53642111450² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546074 + ... + 636773.

It is an arithmetic number, because the mean of its divisors is an integer number (4161850688).

Almost surely, 2^53642111450 is an apocalyptic number.

53642111450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53642111450 is a deficient number, since it is larger than the sum of its proper divisors (46242305062).

53642111450 is a wasteful number, since it uses less digits than its factorization.

53642111450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183766 (or 1183761 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 53642111450 in words is "fifty-three billion, six hundred forty-two million, one hundred eleven thousand, four hundred fifty".