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53454492 = 2234731337
BaseRepresentation
bin1100101111101…
…0011010011100
310201120202210000
43023322122130
5102141020432
65145414300
71216233000
oct313723234
9121522700
1053454492
11281a0173
1215a9a390
13b0c78a0
147156700
154a5d57c
hex32fa69c

53454492 has 240 divisors, whose sum is σ = 180241600. Its totient is φ = 13716864.

The previous prime is 53454491. The next prime is 53454517. The reversal of 53454492 is 29445435.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53454491) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1444698 + ... + 1444734.

Almost surely, 253454492 is an apocalyptic number.

53454492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53454492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90120800).

53454492 is an abundant number, since it is smaller than the sum of its proper divisors (126787108).

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

53454492 is a wasteful number, since it uses less digits than its factorization.

53454492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 62 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53454492 is about 7311.2578945076. The cubic root of 53454492 is about 376.6992326591.

The spelling of 53454492 in words is "fifty-three million, four hundred fifty-four thousand, four hundred ninety-two".