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54040551 = 3432511669
BaseRepresentation
bin1100111000100…
…1011111100111
310202200112200220
43032021133213
5102313244201
65210135423
71224223425
oct316113747
9122615626
1054040551
1128560514
1216121573
13b271576
14726a115
154b27036
hex33897e7

54040551 has 16 divisors (see below), whose sum is σ = 74067840. Its totient is φ = 35028000.

The previous prime is 54040537. The next prime is 54040561. The reversal of 54040551 is 15504045.

It is not a de Polignac number, because 54040551 - 27 = 54040423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31545 + ... + 33213.

It is an arithmetic number, because the mean of its divisors is an integer number (4629240).

Almost surely, 254040551 is an apocalyptic number.

54040551 is a deficient number, since it is larger than the sum of its proper divisors (20027289).

54040551 is a wasteful number, since it uses less digits than its factorization.

54040551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 54040551 is about 7351.2278566237. The cubic root of 54040551 is about 378.0709043666.

Adding to 54040551 its reverse (15504045), we get a palindrome (69544596).

The spelling of 54040551 in words is "fifty-four million, forty thousand, five hundred fifty-one".

Divisors: 1 3 43 129 251 753 1669 5007 10793 32379 71767 215301 418919 1256757 18013517 54040551