53357540177634 has 128 divisors (see below), whose sum is σ = 134371359682560. Its totient is φ = 13721381856000.

The previous prime is 53357540177629. The next prime is 53357540177639. The reversal of 53357540177634 is 43677104575335.

It is an interprime number because it is at equal distance from previous prime (53357540177629) and next prime (53357540177639).

It is not an unprimeable number, because it can be changed into a prime (53357540177639) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65108547 + ... + 65922969.

It is an arithmetic number, because the mean of its divisors is an integer number (1049776247520).

Almost surely, 2^{53357540177634} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53357540177634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67185679841280).

53357540177634 is an abundant number, since it is smaller than the sum of its proper divisors (81013819504926).

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

53357540177634 is a wasteful number, since it uses less digits than its factorization.

53357540177634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815856.

The product of its (nonzero) digits is 111132000, while the sum is 60.

The spelling of 53357540177634 in words is "fifty-three trillion, three hundred fifty-seven billion, five hundred forty million, one hundred seventy-seven thousand, six hundred thirty-four".