53117154 has 64 divisors (see below), whose sum is σ = 123638400. Its totient is φ = 16881984.

The previous prime is 53117111. The next prime is 53117161. The reversal of 53117154 is 45171135.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167404 + ... + 167720.

It is an arithmetic number, because the mean of its divisors is an integer number (1931850).

Almost surely, 2^53117154 is an apocalyptic number.

53117154 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 53117154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61819200).

53117154 is an abundant number, since it is smaller than the sum of its proper divisors (70521246).

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

53117154 is a wasteful number, since it uses less digits than its factorization.

53117154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 458 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 53117154 is about 7288.1516175228. The cubic root of 53117154 is about 375.9051414926.

Adding to 53117154 its reverse (45171135), we get a palindrome (98288289).

The spelling of 53117154 in words is "fifty-three million, one hundred seventeen thousand, one hundred fifty-four".