53403555123534 has 128 divisors (see below), whose sum is σ = 141230573568000. Its totient is φ = 13033312980480.

The previous prime is 53403555123521. The next prime is 53403555123547. The reversal of 53403555123534 is 43532155530435.

It is an interprime number because it is at equal distance from previous prime (53403555123521) and next prime (53403555123547).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 971194 + ... + 10380285.

It is an arithmetic number, because the mean of its divisors is an integer number (1103363856000).

Almost surely, 2^{53403555123534} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53403555123534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70615286784000).

53403555123534 is an abundant number, since it is smaller than the sum of its proper divisors (87827018444466).

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

53403555123534 is a wasteful number, since it uses less digits than its factorization.

53403555123534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11352118.

The product of its (nonzero) digits is 8100000, while the sum is 48.

The spelling of 53403555123534 in words is "fifty-three trillion, four hundred three billion, five hundred fifty-five million, one hundred twenty-three thousand, five hundred thirty-four".